Chapter 128 of Kaiju No. 8, published on June 19, concludes the fight between Kafka Hibino and Meireki's Mega Kaiju. After a successful strike to the core, Kafka defeats the daikaiju and all the other kaiju revived by Number 9. Furthermore, the protagonist, who had exchanged his own heart for another core to save the members of the Defense Force, receives help from Isao Shinomiya.
In the final chapter, after Kikoru and Mina weakened the daikaiju, Kafka delivered the final blow to the enemy's core. After a long and arduous battle, the chapter confirms the death of Meireki's Mega Kaiju. Kaiju No. 8 is a work that doesn't present the protagonist as the strongest character or someone capable of handling all the challenges alone. This is one of the narrative's interesting aspects, as the other members of the Defense Force played a key role in the fight against the daikaiju and were able to demonstrate their skills and development throughout the manga's chapters.

Kafka delivers the final blow to the daikaiju and fulfills the purpose of the vengeful spirits.
After Kafka destroys the core of Meireki's Mega Kaiju, the vengeful spirits disappear, and the protagonist, who exchanged his own heart for another core, also begins to fade. The destruction of the daikaiju marks the end of a cycle for Kafka Hibino, who fulfills the promise he made to Mina Ashiro and completes the purpose of the vengeful spirits that were killed by Meireki's Mega Kaiju in the past.
The manga is in its final stretch, and the next chapter will be its last. With this, Naoya Matsumoto, the author of the work, begins to wrap up the narrative. Until the last chapter, Kafka's fate was open. After the character replaced his own heart with a nucleus, it became clear that he would never return to his human form. However, the work takes a different path.
Isao Shinomiya gives his heart to Kafka
As Kafka accepts his fate and begins to fade away, Director Shinomiya thanks the protagonist for freeing him from Meireki's Mega Kaiju and explains that the minds that were fused with him are also disappearing. Isao says that the population will be able to overcome all the sadness and destruction left by the daikaiju, as has happened with other conflicts involving kaiju.
The director wants Kafka to remain among the humans, helping rebuild the country and face new threats that are yet to come. Thus, at the end of the chapter, Isao hands Kafka something that appears to be his heart and asks him to send his regards to Kikoru and everyone else. After Director Shinomiya disappears, the manga reveals that Kafka regains his human form. Furthermore, the scene shows that Kikoru finally achieves his goal of freeing his father from Meireki's Mega Kaiju.
The main character's fate has divided readers' opinions. While some hope for a happy ending for Kafka Hibino, others believe his death would add weight and emotional weight to the work. However, the manga isn't over yet, and it's not impossible that chapter 129 will bring some exciting surprises.
Kaiju No. 8 isn't a narrative that strays from the norm, but it captivates with its characters. Besides the manga's innovative approach to a 30+ protagonist, the supporting characters are also entertaining. The work not only highlights Kafka Hibino's achievements and developments; it's clear that each character has a unique role and strength within the narrative, with Kikoru Shinomiya, Reno Ichikawa, and Soshiro Hoshina standing out.
Where to read Kaiju No. 8
The manga can be read for free on Viz Media's official website and on the MANGA Plus platform. However, both have reading limitations. To access the complete work, readers can opt for a monthly Shonen Jump+ subscription. Additionally, with the manga's end approaching, fans can ease their longing with the anime's second season, which will premiere in July on the Crunchyroll streaming platform.
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