The Kaiju No. 8 manga officially ended on July 18, 2025, concluding its tumultuous run with chapter 129 and bringing the divisive Last Wave Arc to a close. The final chapter is set four months after the battle against the Meireki Era Mega Monster, where the Defense Force emerged victorious and Kafka’s life was saved by Isao Shinomiya’s spirit.
The protagonist woke up in the hospital, finding that countless civilians and troops had died due to the monster attacks, with expenses going up to 564 billion dollars. Right after the greatest disaster the Japanese Defense Force had ever faced, there were several questions about Kaiju No. 8’s identity, as well as conspiracy theories floating around.
After shaving and cleaning himself up, Kafka was greeted by Mina and traveled to the new Tachikawa Base, where he began reminiscing about his days during the entrance test and his time as a new recruit in the force. As he entered through the main gate, he was warmly welcomed home by all his friends and peers.

Kafka broke down into tears and happily told them that he was back, after which they all had a heartwarming reunion. He then shared updates on the developments and promotions that the rest of the cast had undergone, as well as the monster tissues that were obtained from the battle.
Kaiju No. 9’s body tissue, in particular, had been stored under class-6 level seal protocols in the Ariake Base, where no one could access it. The scene then shifted to Kafka shopping at a grocery store, when a Kaiju suddenly appeared nearby.
The Kaiju No. 8 manga ends with Kafka helping evacuate the citizens and transforming into his Kaiju form to protect the children from the dangerous monster.
Does Kafka lose his powers at the end of Kaiju No. 8?
No, Kafka Hibino does not lose his powers at the end of Kaiju No. 8. The mysterious larvae and vengeful spirits within him decided to stay, allowing him to transform into his humanoid form at the end of the series to protect civilians.
According to him, he may have retained his powers either because Isao Shinomiya commanded the spirits to stay back and help protect the country or simply because the ancestral entities decided to lend their strength for the next generation.
At the same time, though the Defence Force is aware of his powers, Kafka continues to hide his identity since every research institute in the world wants to know more about Kaiju No. 8, which may put him in danger. Nevertheless, he is still a hero who steps up whenever those around him are in danger.
Where do the cast end up in the Kaiju No. 8 finale?
The Kaiju No. 8 ending reveals where each of its main cast ends up as a reward for their efforts. Kafka Hibino became a platoon leader in the third division, where he looked after a new field analysis support unit.
Reno, Iharu, Haruichi, and Aoi each became platoon leaders, due to which analysts predicted the third division to rival the first division in strength. After the disaster, enlistments to the Defense Force quadrupled, making Hoshina and Mina busier than ever.
Hasegawa, who was the former vice commander of the first division, was sent to Headquarters as an advisor. Kikoru received the biggest promotion, becoming the new vice commander of the first unit under Gen Narumi. She continued training relentlessly to surpass her mother and father.

Do Mina and Kafka end up together in Kaiju No. 8 chapter 129?
Sadly, the final chapter of Kaiju No. 8 did not provide any resolution to Mina and Kafka’s relationship. After Kafka woke up and was greeted by Mina, she appeared to want to tell him something, but held herself back, after which they headed to Tachikawa Base.
While there, Mina joined the others in welcoming Kafka back and got busy with her duties later. Hence, while they continue to be good friends, Kafka Hibino and Mina Ashiro do not get together romantically during the manga.