Arc 2The Blood Pool and Zero

Simu helped Shiraishi Mori gain the strength to avenge his parents and village, then upgraded his own abilities and confronted Orochimaru’s experiments. The arc left Simu studying Natural Energy after rescuing Zero from Hidan’s ritual.

  • Simu gave Shiraishi Mori a Kagune, and Mori fought through Sakamoto’s arena to reunite with his parents as Ghouls and ninjas clashed.
  • Keiko and Shiraishi Ao died protecting Mori, who took multiple Kagune, defeated Sakamoto, and reached Shuiyu Village too late to stop the attack on his grandfather.
  • Mori transformed into a monstrous insect dragon and devastated the village, but Shiraishi Rin’s presence brought him back to himself.
  • Mori gathered the surviving Ghouls, took responsibility for the damage he caused, and called on them to drive Yugakure’s nobles and ninjas from the world.
  • The Cult Leader took over Simu’s body, but Hidan killed him and slaughtered the cultists before Simu emerged from the Blood Pool and faced Orochimaru.
  • Simu fought Orochimaru’s apparent clone, developed new abilities from his research, and modified Hidan before the two set out for Orochimaru’s hidden base.
  • Simu and Hidan entered the base, fought its guards, and found a laboratory full of human test subjects, including Test Subject Zero, an Uzumaki girl studied for her ability to withstand Natural Energy.
  • Hidan’s mistake released Zero and transformed her into a monster, but Simu stopped his ritual and restrained her before Natural Energy began petrifying Simu’s hand, forcing him to sever it.
Chapters 26–50 Vol. 1 Read

Ch. 26I'm Here to Help You

Simu told Shiraishi Mori that his parents had survived the experiments but were being forced to fight each other for the nobles’ amusement. He then revealed that he had come to help Mori.

  • Chairman Sakamoto introduced a mutant fight aboard the cruise ship, and Abu forced Shiraishi Ao and Yanagishima Keiko into the cage to fight or risk their son being taken for experiments.
  • Ao and Keiko fought with their transformed appendages while the nobles watched and placed bets.
  • Simu entered the dungeon and explained to Shiraishi Mori that he had deliberately left the necklace to draw him there.
  • Mori learned that his parents were fighting each other and demanded to know why Simu had come.
  • Simu told Mori that he was there to help him.

Ch. 27A Hymn to Humanity Is a Hymn to Courage!

Simu gave Shiraishi Mori a Kagune, and Mori accepted it to gain the power to save his parents. After the prison erupted into violence, Mori transformed, broke into the Octagon Cage arena, and reached Shiraishi Ao and Keiko as they were about to fight to the death.

  • Simu told Shiraishi Mori that a Kagune might give him the strength to save his parents, though it could also kill him or drive him berserk.
  • Shiraishi Mori ate the Kagune, and Simu revealed he had given Kagunes to the other prisoners as well, triggering a riot.
  • In the Octagon Cage, Keiko charged Shiraishi Ao and urged him to kill her before their time ran out.
  • Shiraishi Mori blasted through the prison and stormed into the arena, where he tore apart the cage bars and reunited with his parents.

Ch. 28Sacrificial Ritual

Shiraishi Mori and his parents fought Sakamoto’s men in the arena while Simu and Hidan watched, revealing that the battle was part of a sacrificial ritual. The arena was invaded by Kagune-wielding Ghouls, and Simu declared that only survivors would qualify to receive Lord Jashin’s power.

  • Shiraishi Mori’s family fought Sakamoto’s men, with Mori shielding his parents from a barrage of weapons.
  • Abu used Earth Style techniques and explosive kunai against Shiraishi Ao, damaging his Centipede Weihe and driving the family toward defeat.
  • Simu told Hidan that the Kagune experiment could fail and confirmed that the gathering was a sacrifice for Lord Jashin.
  • Kagune-wielding Ghouls in prison uniforms poured into the arena and attacked the spectators.
  • Sakamoto accused Simu of betraying their agreement, but Simu said he had fulfilled it and announced that only those who survived the ritual would receive Lord Jashin’s power.

Ch. 29Struggle

Sakamoto ordered his ninjas to kill the Ghouls and spectators aboard the Heaven on Earth, and the battle devastated the arena. As Abu moved to kill the badly wounded Shiraishi Mori and his parents, Shiraishi Mori struggled to protect them, but Abu attacked with a flash of his blade.

  • Sakamoto ordered his ninja squad to kill everyone in the arena, and they bombarded the Ghouls and spectators with Kunai and Kibaku Fuda.
  • A Ghoul with the Kagune [Rinkaku: Mantis] survived the explosions and charged the stands, but a ninja beheaded her after trapping her with Earth and Lightning Release techniques.
  • A Ghoul wearing [Koukaku: Ant-Man] armor killed one ninja, then another ninja raised him into a fireball that burned him to a charred mass.
  • Simu praised the ninjas' skill while Hidan claimed he could have killed them all.
  • Abu emerged unharmed from underground and advanced on the severely wounded Shiraishi Mori and his parents.
  • Shiraishi Mori stood to shield his parents, but Abu vanished and struck at him with a flash of blade light.

Ch. 30Beyond Human Limits

Shiraishi Mori watched Abu kill Keiko and Shiraishi Ao, then recalled the idea that he could gain power by transcending humanity. He transformed by combining his Koukaku and Rinkaku, emerging from the smoke to slash Abu.

  • Keiko took Abu’s blade meant for Shiraishi Mori and held him in place so Shiraishi Ao could attack.
  • Abu escaped Shiraishi Ao’s Kagune strike with the Substitution Technique, then stabbed him and detonated a Kibaku Fuda, killing him and Keiko.
  • As Shiraishi Mori mourned his parents, he remembered the man’s words about transcending humanity and decided to grow multiple Kagune.
  • Shiraishi Mori emerged from the smoke transformed, with black Koukaku armor and scarlet sickle-shaped limbs, and wounded Abu with two swift slashes.

Ch. 31The Path of Vengeance Lies Within

After consuming his father Shiraishi Ao’s Kagune, Shiraishi Mori transformed into a powerful monster and defeated Abu, pinning him to the ground. He then charged toward Sakamoto, whose six ninja trapped Mori between earth walls and launched a massive boulder at him.

  • Shiraishi Mori tore the Kagune from Shiraishi Ao and swallowed it, growing a dark-red Centipede Weihe.
  • Simu reasoned that Shiraishi Mori’s hatred let him resist the Kagune’s mental influence and carry multiple Kagune.
  • Shiraishi Mori smashed through Abu’s Earth Wall, bound him with his Weihe, and slashed him before pinning him down with a steel bar.
  • Shiraishi Mori turned toward Sakamoto and charged the merchant guild president’s stands.
  • Sakamoto ordered his six ninja to attack, and they trapped Shiraishi Mori between earth walls and fired a massive boulder at him.

Ch. 32Jashin Lord, Grant Me Strength

Shiraishi Mori defeated the ninjas attacking him and advanced on Sakamoto, whose Kunai Gun could not pierce his exoskeleton. Simu reminded Sakamoto of Jashin Lord’s power, and Sakamoto ate several Kagune in a desperate attempt to gain strength.

  • Shiraishi Mori burst from the stone enclosure, killed the Earth Style Ninja, and survived the ninjas’ attacks by regenerating his exoskeleton.
  • Shiraishi Mori’s roar sent the Ghouls after the fleeing ninjas, and the Ghouls killed all four remaining attackers despite suffering casualties.
  • Shiraishi Mori walked toward Sakamoto while Sakamoto fired his Kunai Gun at him, but the kunai only sparked against his exoskeleton.
  • Simu told Sakamoto that Shiraishi Mori’s power came from Jashin Lord, prompting Sakamoto to remember his own power.
  • Sakamoto dropped his Kunai Gun, opened his briefcase, shoved several Kagune into his mouth, and cried, “Jashin Lord, grant me strength!”

Ch. 33Completely Insane

Sakamoto devoured numerous Kagune and transformed into a gigantic, mind-destroyed monster that overwhelmed Shiraishi Mori. After Shiraishi fell, Sakamoto turned his attention to Simu and Hidan and charged at them.

  • Sakamoto swallowed eight or nine Kagune, and they transformed his body and drove his mind into madness.
  • Simu explained that Shiraishi Mori still retained his own soul, while Sakamoto had surrendered his body and soul to Jashin through the Kagune.
  • Shiraishi Mori charged Sakamoto, but the giant centipede-like monster struck him into the arena wall and repeatedly attacked him.
  • Sakamoto rampaged across the cruise ship, killing ordinary Ghouls as Shiraishi struggled to evade him.
  • Sakamoto shattered Shiraishi’s exoskeleton and bones, leaving him unable to rise, then turned and charged at Simu and Hidan.

Ch. 34Mere Ants

Simu stopped Sakamoto’s attack with a glance and knocked the giant Ghoul to the ground, while Shiraishi Mori resolved to fight back before it could recover. The chapter left Shiraishi Mori biting off Sakamoto’s Kagune and forming a blade of his own to strike at its neck.

  • Hidan dismissed Sakamoto as a lowly servant, but Simu stopped Hidan and faced the charging monster himself.
  • Simu froze Sakamoto with a glance, then kicked it into the ground while Hidan complained that Simu had stolen his chance to act.
  • Sakamoto rose again and turned toward the scattered Ghoul corpses, while Shiraishi Mori realized its defenses had weakened and vowed to stop it.
  • Shiraishi Mori leaped at Sakamoto, let its blade-like Kagune pierce him, then bit off and swallowed the Kagune on its arm.
  • Shiraishi Mori’s arm grew a dark red exoskeleton blade, which he swung toward Sakamoto’s neck.

Ch. 35The White-Haired Youth

After surviving the centipede monster’s attack, Shiraishi Mori emerged transformed and learned that Simu had deliberately given him the chance to kill Sakamoto. Simu then warned him that Shuiyu Village was in danger, but Shiraishi Mori arrived too late to save his grandfather and unleashed his full power against the Yugakure ninjas.

  • Shiraishi Mori emerged from the centipede monster with snow-white hair, black eyes, and a changed aura.
  • Hidan announced that he and Simu represented the Jashin Cult, and Simu admitted he could have freed the captives but had chosen to give Shiraishi Mori an opportunity to kill Sakamoto.
  • Simu told Shiraishi Mori that something serious had happened in Shuiyu Village, so Shiraishi Mori rushed there using his Kagune.
  • Shiraishi Mori reached his burning village and saw a Yugakure ninja stab his grandfather, who used his last strength to tell him to run.
  • Shiraishi Mori unleashed his Kagune and transformed into a giant centipede-like monster that devastated the village and confronted the Yugakure ninjas.

Ch. 36A Grand Festival

Shiraishi Mori lost control of his Kagune and slaughtered the Yunin before rampaging through the village, but Shiraishi Rin’s presence brought him back to himself. As Simu observed the siblings reunite, Hidan began a mass blood sacrifice aboard the ship.

  • Shiraishi Mori transformed into a monstrous insect dragon, killed the Yunin, and destroyed much of the village as his Kagune consumed his life force.
  • Simu decided Shiraishi Mori would soon die, while Hidan went to prepare the offerings aboard the ship.
  • Shiraishi Mori turned his destruction toward his old home, but Shiraishi Rin emerged and recognized him as her brother.
  • Shiraishi Rin touched Shiraishi Mori’s tentacle, and her presence caused his monster form to collapse and revealed the white-haired boy beneath it.
  • Hidan performed a blood sacrifice over a mountain of corpses and Sakamoto’s shell, sending a pillar of red light into the sky.

Ch. 37You Leveled Up, Spicy!

Simu leveled up after the Jashin Cult’s massacre of Sakamoto Trading Company brought it thousands of reputation points, and he expanded his plans to study ninja genes and develop new Kagune. Hidan returned to headquarters with Simu, where their arrival made the base tense.

  • The Jashin Cult’s destruction of Sakamoto Trading Company raised its reputation by 6,436 points, bringing Simu to Level 2.
  • Simu checked his upgraded system panel and saw his mental power had boosted his research into the Jashin and Water Release Ninja genes.
  • Simu classified the captured ninja samples and added Earth Release, Fire Release, and Lightning Release Ninja to his research tasks.
  • Simu considered analyzing Sakamoto’s body and Shiraishi Mori’s remains and blood to identify useful Kagune mutations, then decided to modify his own body.
  • Hidan returned to headquarters with Simu, kicked open the gates, and headed for the cafeteria while the base grew tense.

Ch. 38I'm the One Who's Lord Jashin's Dog x2

Simu met with the Cult Leader, who demanded an explanation for the deaths of Kikuchi Miura and Sakamoto. The Cult Leader revealed his jealousy of Simu and Hidan’s blessings from Jashin and began attacking Simu after claiming to have sealed his powers.

  • The Cult Leader summoned Simu and questioned him about killing Kikuchi Miura, and Simu blamed Hidan for Miura’s death.
  • Simu told the Cult Leader that he and Hidan had failed to complete their mission and killed their employer, Sakamoto.
  • The Cult Leader grew furious over Sakamoto’s donations to the Jashin Cult and announced that he would move his plans forward.
  • The Cult Leader confessed that he resented Simu’s blessing from Jashin and claimed he was the only one who deserved to be Jashin’s dog.
  • The Cult Leader revealed that incense in his room had sealed Simu’s powers, then formed Hand Seals and claimed he had found a way to take the power of Simu and Hidan’s bodies.

Ch. 39I, the Jashin Cult Leader, Have the Makings of an Emperor!

The Cult Leader used Living Corpse Reincarnation Technique to take over Kamizuki Simu’s body and gain control of his Kagune. Hidan saw through the deception and attacked, furious that the Cult Leader had stolen Simu’s body.

  • The Cult Leader transformed into a giant snake, swallowed Simu, and tried to erase Simu’s soul with his mental attack.
  • Simu withdrew his soul and let the Cult Leader take control of his body, allowing the Cult Leader to test his new Kagune.
  • Hidan entered the room, learned that the giant snake was the Cult Leader, and accused Simu of killing him without inviting him.
  • Hidan recognized that the person wearing Simu’s face was the Cult Leader and demanded to know where Kamizuki Simu was.
  • The Cult Leader admitted he had taken over Simu’s body, and Hidan charged at him in anger.

Ch. 40I Want to Create a World with Simu

Hidan killed the Cult Leader, who had taken control of Simu’s body, and slaughtered the Jashin Cult. As Hidan approached the Divine Statue in despair, Simu emerged from the Blood Pool and greeted him.

  • The Cult Leader used the power of Simu’s body to fight Hidan, but Hidan’s Immortal Body let him recover from being decapitated and strike back.
  • The Cult Leader claimed that Simu would die if Hidan used the Jashin Ritual, but Hidan rejected the threat and pierced his heart within the ritual symbol.
  • The Cult Leader died, and Hidan gently closed Simu’s eyes before deciding to destroy the Jashin Cult.
  • Hidan killed the cultists and slaughtered the entire Jashin Cult, then entered the Shrine drenched in blood.
  • Hidan approached the Divine Statue in despair, but Simu emerged from the Blood Pool and greeted him.

Ch. 41Hidan: What Does Peak Social Death Look Like? (Leans Back)

Simu revived after Hidan mourned his apparent death, then subdued Hidan and prepared to upgrade him in the Blood Pool. At the Jashin Cult headquarters, Simu confronted Orochimaru, who revealed his interest in taking Simu's body, and the two began to clash.

  • Hidan recognized Simu, attacked him, and was decapitated before Simu teased him about mourning his death.
  • Simu explained that he could not truly be killed, then threw Hidan's head and body into the Blood Pool for an upgrade.
  • Simu left the Shrine and noticed that the Cult Leader's Living Corpse Reincarnation Technique might be connected to Orochimaru.
  • Orochimaru emerged from beneath the corpses and admitted that he had used Takisui as a test subject to develop the body-stealing technique.
  • Orochimaru said he wanted Simu's body, and Simu refused as thousands of Ravens surged toward him.

Ch. 42Orochimaru: I Want Simu

Orochimaru attacked Simu with snakes and Wind Release techniques, hoping to capture and study him, but Simu’s Kagune, armor, and regeneration kept him alive. Simu broke free of Orochimaru’s coils with a newly created Ukaku: Sword Raven.

  • Orochimaru summoned snakes to clash with Simu’s flock of Ravens, then used the Body Flicker Technique to reach for him.
  • Simu revealed his Rinkaku and blocked Orochimaru’s attack, then cut down the snakes Orochimaru sent after him.
  • Orochimaru used Wind Release: Great Breakthrough and Wind Cutter Technique, but Simu survived the gale and regenerated a deep wound.
  • Orochimaru coiled around Simu in snake form, but Simu’s Ukaku: Sword Raven severed the python and freed him.

Ch. 43Awakening

Simu investigated Orochimaru’s apparent death and sent his clone to the Blood Pool, while Orochimaru vowed to claim him. Shiraishi Mori awoke in Shuiyu Village, learned what had happened while he was unconscious, and subdued Yasho when the man attacked him.

  • Simu concluded that the dead Orochimaru was likely a clone, searched the area, and sent the body to the Blood Pool for analysis.
  • Orochimaru sensed his clone’s death, declared that he would have Simu, and entered the operating room.
  • Shiraishi Mori awoke after five days and learned from Shiraishi Rin that survivors had rallied around him after he killed the Yunin and Sakamoto.
  • Uncle Yasho confronted Shiraishi Mori over the destruction of the village and attacked him with his Centipede Weihe.
  • Shiraishi Mori entered Ghoul mode and immobilized Yasho with a glance, then ordered the others to bring him along.

Ch. 44Let This World Feel Pain!

Shiraishi Mori gathered the Ghouls aboard the cruise ship to unite them against Yugakure and settle divisions within their group. After cutting off his own arm to atone for villagers harmed during his rampage, he gained their support and led them in vowing to drive out their enemies.

  • Shiraishi Mori addressed the gathered Ghouls, declared himself their strongest, and called for them to unite against Yugakure.
  • He brought Uncle Yasho forward and admitted responsibility for hurting villagers during the riot.
  • Shiraishi Mori cut off his own arm, kicked it toward Yasho, and declared that the matter was settled.
  • He warned that future attacks on companions would be punished with death and vowed to drive Yugakure's nobles and ninjas from the world.
  • More than a dozen Ghouls left, while Yasho and the others who remained pledged to follow Shiraishi Mori.
  • Shiraishi Mori raised his remaining arm and joined the Ghouls in shouting that they would drive out all evil.

Ch. 45Summary of Results

Simu reviewed the results of his research into ninja and Ghoul genetics, discovering that Shiraishi Mori’s mutated Kagune had become RC Cells integrated into his body. He tested the cells by upgrading himself, then manifested two greatswords made of steel feathers.

  • Simu examined his research results and found that his analysis of ninja genes had enabled him to create several elemental ninja races.
  • Simu assessed his Ghoul research, concluding that ordinary Kagune were parasites, while Sakamoto’s body was a collection of Kagune.
  • Simu identified Shiraishi Mori’s RC Cells as Kagune mutated by intense emotions and fused with the human body.
  • Simu used RC Cells to replace the Kagune in his body with Kakuhou.
  • Simu manifested two black iron feather greatswords and observed that a person’s desires influenced the shape of their RC Cell Kagune.

Ch. 46You Again, Hidan!

Simu finished modifying Hidan so he could use all five elemental types of Chakra and perform ninjutsu, then created powerful creatures using Lord Jashin’s life force. Lord Jashin recognized Hidan in the Divine Statue and cried out in frustration as Simu drained him again.

  • Simu modified Hidan to refine all five elemental types of Chakra and prepared his mastered ninjutsu for him to use when he woke.
  • Simu created the fifty-meter-long Evil-Faced Ghost Snake, a heavily armored creature capable of using all five elemental releases.
  • Simu produced two hundred RC Kakuhou, a swarm of Explosive Bugs, and a batch of tiny, steel-hard Black Beetles.
  • Lord Jashin felt Simu drain his energy and looked through the Divine Statue, where he saw Simu and exclaimed, "You again, Hidan!"

Ch. 47My Lord Hidan's Strength Soared!

Simu tested Hidan's new ninjutsu and Kagune weapons, repeatedly overpowering him and reminding him to rely on his taijutsu. Simu left the Shrine carrying Hidan's severed head as ravens scattered, while blood flowed underground toward a pulsing Blood Orb.

  • Hidan used Simu's gifted ninjutsu to attack him, but Simu overwhelmed him with a storm of black feathers.
  • Hidan ambushed Simu from underground and formed a Three-Moon Scythe from his Koukaku, but Simu's armor stopped the blade.
  • Hidan tried Wind Release and began forming Lightning Release seals, but Simu kicked him away and told him to focus on taijutsu.
  • Hidan charged Simu in anger, and Simu defeated him, chopped off his head, and carried it out of the Shrine.
  • Ravens scattered from the Shrine as its Blood Pool dried, sending blood through underground fissures to a pulsing Blood Orb.

Ch. 48Don't Let Me Down, Orochimaru

Simu and Hidan attacked one of Orochimaru’s hidden bases, with Simu breaking into the underground passage while Hidan fought the guards outside. Simu slaughtered the base’s test subjects with his insects and continued deeper, hoping Orochimaru’s work would prove worthy of his interest.

  • After five days of traveling, Simu revealed that he knew they were being followed and destroyed a tree to uncover Orochimaru’s hidden base entrance.
  • Hidan stayed behind to fight six of Orochimaru’s guards and killed one with his Three-Moon Blood Scythe.
  • Simu entered the underground passage and pierced Xianai with his Rinkaku after immobilizing her with insects.
  • Simu unleashed a swarm through the passage, killing the figures who witnessed Xianai’s defeat.
  • Simu entered the base and wondered whether Orochimaru’s creations would meet his expectations.

Ch. 49Strange Tech Tree

Simu broke into Orochimaru’s laboratory after blasting through a steel gate and cutting down its guards, while Hidan complained that he had missed the chance to kill them. Inside, the pair found a high-tech facility filled with human test subjects, leaving Simu astonished by the world’s uneven technological development.

  • Simu used Explosive Bugs to blast open a massive steel gate and entered an arena surrounded by prison cells.
  • Dozens of attackers rushed Simu, but he killed them with a Black Beetle scythe before Hidan could join the fight.
  • Hidan confronted Simu for killing his targets, and Simu teased him about Lord Jashin before warning him off with beetles at his neck.
  • Simu and Hidan entered Orochimaru’s laboratory and found over a hundred test tubes containing deformed human subjects of all ages.
  • Simu examined the laboratory’s precision instruments and computers, surprised that such advanced technology existed alongside primitive weapons.

Ch. 50'Sage' Plan

Simu investigated Orochimaru’s research into artificial Sage Mode and found that Test Subject Zero, an Uzumaki girl, had been exposed to Natural Energy. After she went berserk and attacked, Simu subdued her and tested the energy, leaving him intrigued despite its rapid petrification of his hand.

  • Simu copied the research files and learned that Test Subject Zero was an Uzumaki girl being studied for her ability to withstand Natural Energy.
  • Hidan accidentally drained the liquid from Zero’s test tube, causing Natural Energy to flood her body and transform her into a monster.
  • Zero attacked Simu and Hidan, shattering test tubes and overpowering Hidan before he wounded her and began his Jashin Ritual.
  • Simu stopped Hidan from killing Zero, restrained her with his Rinkaku, and sent Black Beetles to gnaw away her keratin armor.
  • Simu sensed Natural Energy through the Black Beetles, but it began petrifying his hand, so he severed it while expressing interest in the energy.
Arc 2 of 14