Chapter Summaries

Teppei and GUYS confronted Vermigon, which possessed Misa, and Bai Ge destroyed it while saving her, though she lost her memories of Teppei. After Mebius suffered a humiliating defeat at the hands of the Refrato Star-being, Mirai followed a mysterious summons and met Ultraman Leo, who challenged him to fight.

• Teppei learned that Misa's blue flames were connected to a parasitic monster and sought Bai Ge's help after Vermigon appeared.
• Vermigon possessed Misa, and Bai Ge burned the monster's soul away, but Misa lost her memories and no longer recognized Teppei.
• The Refrato Star-being defeated Mebius and departed, leaving Mirai frustrated by his first such defeat.
• Mirai followed a mysterious call to Tragic Island, where Feng Yuan revealed himself as Ultraman Leo.
• Leo challenged Mirai to fight and questioned whether he would lose as he had against the Refrato Star-being.

Feng Yuan tested Mebius, then entrusted Earth to him and the GUYS team after they defeated the Refrato Star-being. A Barbal Star-being impersonated Ultraman Hikari and turned public opinion against him, but Serizawa returned to GUYS and was detained as part of a plan to expose the impostor.

• Feng Yuan transformed into Ultraman Leo, defeated Mebius in training, and challenged him to defeat the Refrato Star-being before Earth could be entrusted to him.
• Bai Ge gave Mirai a technique to strengthen his body, and the GUYS team supported his training as he prepared for a rematch.
• Mebius defeated the Refrato Star-being with Leo's help, and Leo entrusted Earth to Mirai and the others.
• A Barbal Star-being impersonated Hikari, attacked Mebius, and vanished, prompting Mirai and Ryu to insist that the attacker was not the real Hikari.
• The real Serizawa returned and told GUYS that the Barbal Star-being had attacked him before reaching Earth; the team welcomed him and trusted his innocence.
• Misaki Yuki relayed an order to detain Serizawa, while the real Hikari calmly faced the Barbal Star-being's boast that humans had been deceived.

Ultraman Hikari defeated the Barbal Star-being, while Mirai met Past, a mischievous Cheeno Alien who claimed to be his little sister. As Past began to feel attached to Mirai and his team, her companions urged her to attack him, and Bai Ge told her she already regarded Mirai as her brother.

• Ultraman Hikari used the Armor of Courage and Knight Ray to destroy the Barbal Star-being after it threatened the humans.
• Mirai found an unconscious girl by the roadside and brought her to the Phoenix Nest, where she called herself his little sister.
• Mirai and Ryu named the girl Past and Mirai warned her not to use her psychic powers to frighten people.
• Mirai told Captain Sakomizu about the Land of Light's bond between brothers, and Past overheard him describe the loneliness of her people.
• The team held a welcome barbecue for Past, who began to enjoy their company and learned the meaning of saying thank you.
• Past's companions planned to attack Mirai, but she insisted on defeating him herself, and Bai Ge told her she already cared for him as a brother.

GUYS joined forces with Isamu Yo and GUYS Sea Defense to confront Ariegera, whose arrival was linked to the planet’s Space-Time Wave. The team drew the monster away from the Pacific Ocean Trench, but the battle remained underway as Ultraman Mebius appeared to help the Ocean Wing.

• Past revealed that a Space-Time Wave had summoned aliens and Disk Creatures to target Earth before departing, and Sako Mizu shared an Ultraman warrior’s message with Mirai.
• Ariegera attacked Mirai at extreme speed, but Isamu Yo piloted the Ocean Wing to save him and joined GUYS to plan a response.
• Isamu Yo deduced that Ariegera’s ultrasonic calls were meant to summon Ultraman Mebius, and he proposed luring it to artificial land off the Boso Peninsula.
• Teppei explained that Ariegera perceived the world through ultrasonic waves, and the team used sonar to distort them and draw the monster out of the trench.
• Ariegera attacked the Ocean Wing’s systems after it was struck by the Variable Ray, but Isamu Yo kept the aircraft stable as Ultraman Mebius arrived to assist.

Mebius defeated Ariegera, and Isamu revealed he had known Mirai’s secret identity before leaving GUYS Japan Branch. Hinode Sayuri returned from an apparent death, but the chapter ended with the Sarpent Star People possessing her and attacking GUYS’s main system.

• Mebius sliced Ariegera in two, impressing Ryu, Sadaji, Bai Ge, and Isamu.
• Isamu revealed he was GUYS Sea Defense’s new captain and left the team a memento showing he had heard Mirai transform into Mebius.
• Hinode Sayuri was injured while saving a child, then unexpectedly awoke after being declared dead; the Sarpent Star People had possessed her body.
• The Sarpent Star People disrupted the cafeteria meal and attacked GUYS’s power room, where Bai Ge destroyed their spatial transfer device.
• Hinode Sayuri revealed her body was possessed by a Sarpent Star Person, and one of the aliens collapsed in pain while trying to destroy the main system.

Hinode Sayuri defeated the Sarpent Star People and later used her new psychic powers to help others, while Mirai encountered a flower-faced White Robed Man linked to a wave of disappearances. GUYS tracked the creature to a forest lair, where Mirai spotted a suspicious figure with a student.

• Hinode Sayuri took control of the alien possessing her, helped GUYS defeat the Sarpent Star Person with salt, and kept some of the alien’s psychic powers afterward.
• A meteor landed in a forest, where a flower-headed creature created White Robed Men that began abducting people.
• Mirai confronted a White Robed Man who sprayed him with paralyzing pollen, and Bai Ge found him unconscious and brought him to GUYS.
• Sako Mizu reported a sharp rise in disappearances, and Teppei used pollen residue to locate the creature’s lair in a mountain forest.
• Bai Ge sensed a presence along a narrow path, and the GUYS team found a White Robed Man passing by with a student.

Mirai and Bai Ge stopped a vine creature from assimilating Naoko and rescued people who had surrendered to loneliness. Twenty-five years later, a reunion for Yano Takeshi’s former students drew negative energy and summoned a strange monster, just as Ultraman Eddie returned to Earth.

• The White Robed Man led Naoko to vine-bound people, but Mirai urged her to flee before she could be assimilated.
• Bai Ge burned the vines, and Naoko comforted a child while the rescued office workers complained about being returned to their troubled lives.
• Twenty-five years later, former students of Yano Takeshi planned a farewell reunion at Sakuragaoka Middle School, while Mirai and Ryu investigated the return of negative energy.
• Mirai asked Ultraman Eddie to attend the reunion, but Eddie declined and asked him to tell the students that Yano Takeshi was sorry.
• Negative energy summoned a strange monster at the reunion, and Ultraman Eddie appeared as it seemed to cry while fighting Mebius.

Ultraman Eddie reunited with Yano Takeshi’s former students, while GUYS investigated a new monster sighting and Chairman Takenaka visited Sakomizu. Their reunion was interrupted when Red King appeared on Tatara Island and GUYS launched an attack.

• Ultraman Eddie defeated the monster at Sakuragaoka Junior High, and Yano Takeshi thanked his former students before leaving to apologize to them in person.
• Misaki Yuki reported that Gomora had appeared on Johnson Island and vanished before local forces arrived, prompting Sakomizu to order heightened alert.
• Chairman Takenaka arrived at the GUYS Japan Branch, exchanged greetings with Sakomizu, and recalled how an Ultraman had saved Sakomizu during a mission in space.
• Takenaka opened a briefcase to entrust Sakomizu with a special key, but an alarm announced that Red King had appeared on Tatara Island.
• Sakomizu ordered GUYS to keep Red King away from a nearby village, and the team’s fighters attacked as the monster hurled rocks at them.

Bai Ge and Mirai defeated Red King after it mutated into Gomora, while the Dark Four Heavenly Kings argued over who would conquer Earth. In Kobe, they reunited with the human forms of the Ultra Brothers and began investigating strange changes in the sea, where they encountered a frightened boy named Takato.

• Mebius trapped Red King in a rocky crevice and defeated it with the Mebium Beam, but Red King transformed into Gomora; Mebius, Ryu, and the others destroyed Gomora with the Mebium Burst and Infinity Phoenix Ray.
• Sakomizu told Takenaka that GUYS and humanity stood together, while Grozam, Yapool, Desrem, and Mefilas Alien argued over their plans to defeat Mebius and offer Earth to Emperor Ampera.
• Mirai learned that Shinguuji Aya was Takenaka's granddaughter, and Aya asked to spend time with him.
• Bai Ge and Mirai arrived in Kobe to investigate an ominous presence and met Shinguuji Aya, who was assigned to assist them.
• Seven revealed that he was Moroboshi Dan and introduced Mirai and Bai Ge to Hayata Shin, Hideki Go, and Hokuto Seiji, who had lost their ability to transform after sealing Yapool beneath the sea.
• Aya showed Bai Ge and Mirai signs that marine life had grown restless, then they met Takato, who ran away when Mirai greeted him.

Bai Ge and Mebius fought the aliens trying to resurrect Saurus beneath Kobe, and the Ultramen defeated Yapool while rescuing Shinguuji Aya. Months later, Aya walked hand in hand with Mirai and admitted she had not come to see her maternal grandfather specifically.

• Bai Ge and Mirai discovered that aliens were trying to release the monster sealed beneath Kobe, while Imperial Seijin attacked and was defeated by Mebius.
• Zarab Seijin drugged Mirai, impersonated Mebius, and shook Takato’s faith until Bai Ge exposed the fake and the real Mebius defeated him.
• Guts Seijin trapped Mebius, and the aliens drained the four veteran Ultramen’s energy to revive Yapool’s Saurus.
• Bai Ge killed Nackle Seijin and Guts Seijin, then helped the Ultramen fight Saurus while Mebius rescued the unconscious Shinguuji Aya from its head.
• Bai Ge destroyed Yapool, and Mirai, Aya, Takato, and Bai Ge parted ways in Kobe after Takato thanked Mirai for keeping his promise.
• Months later, Shinguuji Aya walked with Mirai and told him she had not come specifically to see her maternal grandfather.

Mirai and Shinguuji Aya were caught in Yapool’s trap after Mebius defeated Mebius Killer, while GUYS pursued the Space-Time Wave source to the moon. As Yapool overwhelmed Mebius in a ruined spatial domain, Aya urged him to keep fighting and the stranded GUYS team received help from a mysterious man.

• Shinguuji Aya took Mirai on a date, while disguised Yapool watched them.
• GUYS located the moving Space-Time Wave source and launched Phoenix Nest, but could not contact Mirai.
• Yapool sent Ace Killer to attack the city, and it became Mebius Killer by absorbing a dark substance and copying Mebius’s powers.
• With Aya’s encouragement, Mebius destroyed Mebius Killer, then reverted to human form from exhaustion.
• Phoenix Nest lost power and crashed on the moon, while Mirai and Aya were pulled into a ruined spatial domain where Yapool confronted them.
• A mysterious man guided GUYS on the moon as they fought the Lunaticks Super Beast, while Aya encouraged Mebius and Yapool hurled a ball of light at her.

Mirai drew strength from his companions and defeated Yapool, while Ace reunited with Yuko. As GUYS returned to Earth, Desrem ambushed them and forced Mebius into a hostage crisis, but Jack helped him save the captives and defeat Desrem; Grozam then prepared to attack Earth.

• Hokuto Seiji reminded Mirai that he and his companions were still connected, and Mebius rose again to defeat Yapool with Ace's help.
• Hokuto Seiji reunited with Yuko, while Mirai and Shinguuji Aya shared a tender moment before GUYS returned from the Moon.
• Desrem ambushed the Phoenix Nest with a spatial attack, and Bai Ge shielded the base, though several GUYS members were seriously injured.
• Desrem trapped hundreds of civilians in a spatial sphere and demanded that Mebius and GUYS surrender, but Jack encouraged Mirai to fight.
• Jack blocked Desrem's attempt to detonate the sphere and freed the hostages, then he and Mebius defeated Desrem together.
• Grozam learned of Desrem's defeat and vowed to face Mebius and offer Earth to the great Emperor.

Grozam froze a reservoir and defeated Mebius, leaving him trapped in ice while threatening Earth on behalf of the Emperor. Moroboshi Dan encouraged the humans not to give up, and Mephilas warned Grozam that humanity should not be underestimated.

• Grozam froze the reservoir and dam, and Mirai and Teppei went to investigate the sudden temperature drop.
• Grozam revealed himself and froze Mirai’s weapon; Mirai transformed into Mebius while Kino Minami and Marina tried to get the feverish Teppei to safety.
• Kino Minami sent Flame Windom to support Mebius, but Grozam froze its attacks and destroyed it before overpowering Mebius’s Flame Brave form.
• Grozam pierced Mebius with an ice spike, froze him to the dam, and announced that the Emperor would eventually decide humanity’s fate.
• Moroboshi Dan comforted Kino Minami and urged her not to give up, recalling how humans had helped save the Ultraman warriors before.
• Grozam dismissed humanity’s ability to help, but Mephilas warned him not to underestimate people.

GUYS rescued Mirai and defeated Grozam with the Magnalium Medical Beam and Maxwell Tornado, while Ultraman Seven said farewell to Mebius. After returning from vacation, Mirai arrived at Phoenix Nest frightened and told Bai Ge that he had seen Mephilas, the last of the Four Heavenly Kings.

• Misaki Yuki and Fujisawa Asami planned to rescue Mirai, and Kino Minami volunteered to pilot the Loading Ship alongside Marina in the Gun Wing.
• The injured GUYS members joined the operation, and Captain Sakomizu entrusted the battle to Fujisawa Asami and her team.
• Marina fired the Magnalium Medical Beam to free Mirai, while Bai Ge, Mebius, and Ultraman Seven attacked Grozam.
• Kino Minami used the Maxwell Tornado to burn Grozam after the combined attacks reduced him to fragments, and Fujisawa Asami and Misaki Yuki celebrated his defeat.
• Ultraman Seven said farewell to Mebius, and the chapter revealed that Hayata Shin was alive and recovering.
• After a week of leave, Mirai returned to Phoenix Nest pale and frightened, then told Bai Ge that he had seen Mephilas in an alternate dimension.

Mephilas used altered memories to turn GUYS against Mebius, but Mirai and Bai Ge helped his companions recover their bonds and defeat him. Mephilas fled Earth, only to be killed by the Emperor’s attack in space.

• Mephilas altered humanity’s memories and made GUYS attack Mebius, while Bai Ge blocked their first strike and warned Mirai to retreat.
• Bai Ge and Mirai sought Teppei, who helped them investigate the UFO and secretly brought them into GUYS Base.
• Mirai confronted his companions with their friendship amulets, and Teppei remembered their bond and urged GUYS to recognize Mirai as their companion.
• The GUYS members recovered their memories, combined their fighter jets, and destroyed Mephilas’s saucer while Mebius protected them.
• First Generation Ultraman joined the battle, and Mephilas admitted defeat before leaving Earth and promising to return.
• The Emperor attacked Mephilas in space and destroyed him with a dark crimson beam.

Emperor Seijin sent thirteen Impelizas to attack major world capitals and demanded that humanity drive Mebius from Earth. After Mebius was overwhelmed, Bai Ge rejected the ultimatum, and Sakomizu appealed to the public to stand with Ultraman as the final battle approached.

• Thirteen Impelizas invaded Earth and targeted the capitals of major nations while Emperor Seijin demanded that humanity expel Mebius.
• Mebius destroyed several Impelizas but exhausted himself fighting their successive reinforcements and disappeared after losing the ability to fight.
• Bai Ge crushed another Impeliza and told Emperor Seijin that Earth would never betray its allies or accept his invasion.
• Sakomizu revealed that he had concealed his identity as Director so he could fight alongside GUYS and Ultraman.
• With an hour left before Emperor Seijin's deadline, Sakomizu urged humanity in a live address to support Ultraman and show the invaders its resolve.

After Earth refused Emperor Seijin’s ultimatum, Bai Ge and the GUYS team fought alongside the Ultramen, and Mirai reunited with his companions to awaken Mebius’s Phoenix Form. With Zoffy and Bai Ge joining the final assault, they defeated Emperor Seijin and restored the Sun and sky, leaving Mirai to say goodbye as Bai Ge returned home through a spacetime passage.

• The public urged GUYS not to surrender Mirai, and Sakomizu rejected Emperor Seijin’s deadline as the Impeliza began attacking worldwide.
• Bai Ge destroyed the Impeliza, and Zamsha and Past joined the fight before Emperor Seijin crippled the Phoenix Nest and left Mirai unable to transform.
• The Ultraman Brothers encouraged the despairing GUYS members, and Mirai used the Mebium Breath and Knight Aura with their support to become Mebius in Phoenix Form.
• Sakomizu activated Ultimate Meteor Technology while Zoffy merged with him, and Bai Ge joined Mebius in attacking Emperor Seijin.
• Mebius, Zoffy, and Bai Ge defeated Emperor Seijin, who turned into light as the Sun and sky were restored.
• Ryu told Mirai that humans could protect Earth, and Bai Ge said goodbye before leaving through a spacetime passage.