Chapter Summaries

Fanxin, a sixteen-year-old stranded on a deserted island, worried that he had run out of food he could bear to eat. The Black Cat revealed that it had eaten a Devil Fruit and demonstrated its power, leaving Fanxin eager to see how it could help him.

• Fanxin complained that he had eaten every edible creature on the island and had lost his appetite.
• The Black Cat suggested eating food from the sky or sea, and Fanxin explained that he could not safely reach either.
• The Black Cat reminded Fanxin of the strange fruit he had found underwater and given to it.
• The Black Cat revealed that the fruit was a Devil Fruit and that it had gained the ability to transform mechanically.
• The Black Cat used Steel Transformation, turning its body as hard as steel, and Fanxin tested its new toughness.

Fanxin urged Black Cat to demonstrate his new abilities, including mechanization, flight, and a fully automatic turret form that destroyed a large tree. Back at Fanxin’s cave, they agreed to search the mountains for ore so Black Cat could build Fanxin a flying suit of armor.

• Black Cat transformed into a miniature robot and showed Fanxin that he could mechanize his body.
• Black Cat demonstrated his flight ability, explaining that he could carry Fanxin but needed enough energy to stay airborne.
• Black Cat changed into a fully automatic turret and destroyed a massive tree with a barrage of shells, while Fanxin carried him away from the falling tree.
• Black Cat revealed that he had X-ray vision, and he and Fanxin joked as they headed home.
• Fanxin asked Black Cat to make him a flying suit of armor, and they planned to search the mountains for ore the next day.

Fanxin and Black Cat searched for ore to make flying armor, then set out across the sea to explore a nearby island. After Fanxin killed a shark that attacked him, they continued toward their destination while an old man’s head watched from the deserted island.

• Fanxin and Black Cat searched for ore for several days but found too little to make armor.
• Black Cat suggested exploring other islands or robbing passing ships, and Fanxin agreed to travel with her.
• An old man’s disembodied head watched Fanxin leave the island and sank into the soil, intending to wait for his return.
• Black Cat flew above Fanxin as he swam toward a nearby island, and she warned him when a shark approached.
• Fanxin dodged the shark, stabbed its belly with his spear, and killed it with his knife before swimming onward.

Fanxin reached an island after a long swim and heard a woman calling for help, so he and Black Cat prepared to rescue her from a group of pirates. Black Cat drew the pirates' attention while Fanxin waited nearby for a chance to act.

• Fanxin reached the island, exhausted, and rested on the beach with Black Cat standing guard.
• After hearing cries for help, Fanxin found pirates harassing a woman in a torn white dress.
• Fanxin decided to rescue the woman while Black Cat distracted the pirates, despite their guns.
• Fanxin crept to within ten meters of the pirates and waited for Black Cat to create an opening.
• Black Cat confronted the pirates, but they mocked and threatened it, making it decide to teach them a lesson.

The black cat attacked the pirates, then raided their ship for metal while drawing most of them away. Fanxin seized the chance to rescue the captive woman and escaped into the forest as the pirates fired after him.

• The black cat transformed his body into iron, killed a pirate, and fought the crew until they gathered to pursue him.
• The black cat evaded the pirates aboard their ship and collected metal objects in his Manufacturing Space, throwing the ship into chaos.
• Fanxin approached the two pirates guarding the woman and struck one with his spear.
• Fanxin wounded the second pirate with a thrown blade, subdued him, and took his pistol.
• Fanxin carried the woman toward the forest, dodged the crew’s gunfire, and disappeared among the trees.

Fanxin escaped the pirates in the jungle while Black Cat plundered their ship and flew after him. Vice Captain Dick discovered the losses and sent the crew into the forest to recover the stolen goods before the captain returned.

• The pirates chased Fanxin into the jungle, but he escaped by using his knowledge of the forest.
• Black Cat saw that Fanxin had gotten away, then stole the ship's iron objects, weapons, supplies, and the captain's treasures.
• Black Cat transformed into human form, flew away from the ship, and followed Fanxin.
• Vice Captain Dick ordered the crew to inventory the ship, and they reported that Black Cat had taken nearly everything valuable.
• Dick ordered the crew to search the forest for Black Cat and the stolen goods before the captain returned.

Vice Captain Dick fled by small boat to escape the captain’s punishment for losing the ship’s treasures. After the crew failed to find the boy and discovered Dick was gone, they abandoned the search and sailed away before the captain could return.

• Vice Captain Dick lowered a small boat from the ship and escaped while the crew searched the forest for the boy and the little black cat.
• After hours of searching without success, the crew returned to the ship and found that Dick had vanished.
• A delicate-looking young man reasoned that Dick had fled because the captain would punish him for losing the treasures.
• The crew decided they had little chance of finding the boy and feared the captain’s return, so they stopped searching.
• The delicate-looking young man urged the crew to leave, and they sailed the ship away together.

Clark returned to the island and discovered that Dick and the pirate crew had left without him. The little fox Clark had abused revealed that it had learned the secret of its collar, destroyed his boat, and prepared to take revenge.

• Clark sailed toward the island while abusing the little fox chained to his boat.
• Clark searched the island for his pirate ship and found it missing.
• The little fox mocked Clark and said the crew had left because they were sick of his cruelty.
• Clark attacked the fox, but it escaped and destroyed his boat.
• The fox revealed it had learned the collar’s secret and vowed to repay Clark for years of torture.

Little Fox fled from Clark’s attempt to recapture it and found a way to escape by taking over the body of someone with a powerful soul. It rushed into the forest where Fanxin was resting with the woman he had rescued.

• Clark sent a black chain after Little Fox, but Little Fox used the trees to stretch the chain and drain Clark’s stamina.
• Clark withdrew the chain and pursued Little Fox through the forest by sensing its collar.
• Little Fox noticed a powerful human soul in a dense forest and decided to enter that person’s body to escape Clark.
• Fanxin rested in the forest with the woman he had rescued, and she told him that her family had been killed.

Fanxin invited Ren Fang to live on his island and arranged for Little Black Cat to make her a flight suit, but their escape was interrupted by a little white fox pursued by a pirate. After learning the pirate had captured Ren Fang before, Fanxin stopped running and prepared to confront him.

• Fanxin invited Ren Fang to stay on his island, and she accepted; he introduced her to Little Black Cat.
• Little Black Cat reported having enough metal to make two flight suits and began producing them in the Mechanical Space.
• Fanxin sensed someone approaching, so he took Ren Fang and fled while Little Black Cat kept watch.
• Little Black Cat encountered a little white fox that asked for help escaping a pirate and revealed the pirate had captured Ren Fang.
• The little fox explained that a collar let the pirate track it, and threatened to follow Fanxin unless they helped.
• Fanxin told Little Black Cat to protect Ren Fang and stopped to deal with the pursuing pirate.

Fanxin and the little fox confronted Clark while the little black cat took Ren Fang to safety and went to make flight armor. The fox turned nearby beasts against Clark, and the beasts charged as Clark fired at it.

• Fanxin told the little black cat to take Ren Fang somewhere safe and bring back flight armor while he stalled Clark in the forest.
• The little black cat left with Ren Fang, and Fanxin recruited the little fox to face Clark with him.
• Fanxin and the little fox met Clark, and the fox mocked him by revealing that it had once handled the enemies Clark could not defeat.
• Clark drew his gun and fired at the little fox as it ordered the nearby beasts to attack him.
• The beasts charged Clark with their jaws open.

Clark fought off a charging pack of beasts while Fanxin and Little Fox waited for his ammunition to run low. Little Fox revealed why he had endured Clark’s abuse and planned to take revenge himself, then told Fanxin it was time to act.

• Clark shot several charging beasts, took cover to reload when his gun ran out of bullets, and resumed firing.
• Little Fox stopped Fanxin from attacking Clark and explained that the beasts would wear down Clark’s ammunition first.
• Little Fox revealed that he had endured Clark’s torment because destroying his collar would destroy his body, but he had now found a powerful soul as a potential vessel.
• Little Fox said he wanted to kill Clark for years of abuse, and Fanxin agreed to leave Clark’s execution to him.
• After waiting, Little Fox told Fanxin that Clark should have little ammunition left and sent him to act.

Fanxin shot Clark, who retreated behind a tree and ran out of bullets. Clark tried to make the little fox submit by threatening its collar, but when it refused, he detonated it, leaving Fanxin searching through the ruins for the little fox.

• Fanxin shot at Clark, who dodged most of the bullets but took one in the shoulder and hid behind a tree.
• Clark found that he had no bullets left and decided to threaten the little fox with the collar that controlled its lifeline.
• The little fox told Clark it was no longer afraid of him and said Fanxin and the beasts would overwhelm him.
• Clark chanted a spell and said “Explode,” detonating the collar around the little fox's neck.
• Fanxin rushed to the blast site and found only a few tiny chunks of flesh as Clark declared the little fox dead.

After Clark killed Little Fox, Fanxin fought him briefly before retreating into the jungle and relying on the terrain to wear him down. Clark tried to escape, but beasts surrounded him, leading him to suspect that Little Fox had survived by possessing a new vessel and was controlling them.

• Fanxin confronted Clark over Little Fox's death and challenged him to a fight, while an invisible little fox slipped into Fanxin's body.
• Fanxin and Clark exchanged blows, and Fanxin discovered that Clark was skilled in close combat.
• Clark revealed that he had secretly trained his fighting skills, while Fanxin said the jungle gave him an advantage and vanished into it.
• Clark headed for the forest's edge, but beasts chased him, surrounded him, and cut off his escape.
• Clark reasoned that Little Fox might have survived as a soul in a new vessel and was directing the beasts to attack him.

Clark concluded that Little Fox had possessed Fanxin and set out to kill him, while Fanxin and his companions escaped to the forest’s center. Clark could not find them and remained trapped by the pursuing beasts.

• Clark reasoned that Little Fox had possessed the young man and charged through the beasts toward Fanxin’s direction.
• Fanxin met Little Black Cat at their temporary camp and told it that Clark had killed Little Fox.
• Fanxin, Little Black Cat, and their companion headed for the deepest part of the forest while Little Black Cat erased their tracks.
• Clark searched for Fanxin and the others for nearly an hour as more beasts pursued him, and he realized he might die in the forest.

Clark tried to lure Fanxin into attacking Little Fox, but a snake startled him from a tree and beasts killed him. Fanxin learned that Little Fox wanted his body, and Little Fox revealed it was hiding inside him and intended to take over.

• Clark climbed a tree and shouted that Little Fox was possessing Fanxin, hoping Fanxin would attack it.
• A snake lunged at Clark, causing him to fall among the beasts, which swarmed and killed him.
• Fanxin, Little Black Cat, and Ren Fang took cover, and Fanxin said he would accept death rather than let Little Fox take his body.
• Fanxin asked Little Black Cat to attach a bomb to him, but his body recoiled as Little Black Cat approached.
• Little Black Cat realized Little Fox was controlling Fanxin and confronted it.
• Little Fox explained that Fanxin's powerful soul and suitable body were why it wanted to take him over.

Fanxin tried to negotiate with Little Fox, but Little Fox refused to trust him and insisted on taking his body. Fanxin began a one-day contest for control of his mind, where Little Fox quickly gained the advantage as Little Black Cat and Ren Fang watched helplessly.

• Fanxin offered to share his body peacefully, but Little Fox rejected the offer because Clark had once betrayed and controlled him.
• Fanxin sent Little Black Cat to take Ren Fang away, then challenged Little Fox to claim his body within one day or leave him alone or coexist peacefully.
• Little Fox agreed to the terms and invaded Fanxin's mind with soul power, forcing out a third of Fanxin's soul.
• Fanxin fought back with little skill as Little Fox increased the pressure and continued to drive him from his mind.
• Little Black Cat and Ren Fang watched from thirty meters away, unable to help without harming Fanxin.

Little Black Cat left Ren Fang in hiding and flew to another island to seek Grandpa Nick’s help for Fanxin, who was losing a battle against a fox trying to take over his body. After finding Grandpa Nick, Little Black Cat explained Fanxin’s danger, and Grandpa Nick listened.

• Little Black Cat reassured Ren Fang about Fanxin, then told her to hide in an iron box while it went to find help.
• Ren Fang agreed to stay concealed, and Little Black Cat tucked the box beneath bushes before flying away.
• Little Black Cat crossed the sea to the island where Grandpa Nick was staying and called for him from above.
• Grandpa Nick emerged as a head joined to a column of soil, and Little Black Cat asked him to help Fanxin.
• Little Black Cat explained that a fox had entered Fanxin’s body and was trying to take it over.

Little Black Cat persuaded Grandpa Nick to come help watch over Fanxin, whom Grandpa Nick assured would survive the soul battle with the little fox. They reached Fanxin’s island, where Little Black Cat brought Ren Fang out of the iron box and introduced her to Grandpa Nick.

• Little Black Cat urged Grandpa Nick to save Fanxin, but Grandpa Nick insisted Fanxin would survive because his soul was his greatest strength.
• Grandpa Nick agreed to accompany Little Black Cat in case Fanxin needed help.
• Grandpa Nick used his ability to raise a road from beneath the sea, and he and Little Black Cat traveled to Fanxin’s island.
• Little Black Cat found Fanxin, then freed Ren Fang from the iron box and brought her to him.
• Ren Fang saw Grandpa Nick’s head beside Little Black Cat and nearly fainted from fright.

Fanxin stopped resisting Little Fox after trusting Little Black Cat’s advice, allowing Little Fox to take over his mind domain and begin controlling his body. As Fanxin’s soul weakened and Little Fox’s control grew, Little Fox suddenly sensed a powerful enemy.

• Ren Fang remained afraid of Grandpa Nick, while Little Black Cat reassured her that he had come to help Fanxin.
• Grandpa Nick told Little Black Cat to tell Fanxin to stop resisting, promising that Fanxin would be safe.
• Little Black Cat relayed the advice, and Fanxin chose to trust their long-standing bond and give up resistance.
• Little Fox took over Fanxin’s mind domain and began using soul power to control his body.
• Fanxin grew anxious as his soul weakened and he saw no sign of Little Black Cat’s plan working.
• Little Fox’s expression turned grave as he sensed a powerful enemy.