Introduction
Kaiju No. 8 is more than a giant-monster action series. Kafka Hibino is an adult who has already fallen short of his childhood goal, yet gets another chance to pursue the Defense Force while carrying a secret that could place him on the opposite side of the organization he wants to join.
That creates three different reasons to look for anime like Kaiju No. 8: organized squad combat, an underdog trying to earn his place, and a protagonist using dangerous nonhuman power while fighting for humanity.
The five anime below follow those paths in different ways. The best next watch depends on which part of Kaiju No. 8 you want more of.
Quick List: Best Anime Like Kaiju No. 8
- World Trigger — Best if the Defense Force squads, team roles, and coordinated battles were your favorite part.
- My Hero Academia — Choose this for more training, competition, and underdog growth.
- Jujutsu Kaisen — Best if Kafka’s dangerous connection to the enemy side interested you most.
- Chainsaw Man — A darker choice for fans of a protagonist with monster-like powers inside a public organization.
- Attack on Titan — Best if the giant-threat scale and humanity’s organized defense mattered most.
1. World Trigger
If the Defense Force Was the Main Attraction
World Trigger is the closest pick here for viewers who were especially interested in the Defense Force as an organization. Its fighters operate within Border, and battles often depend on teams rather than one overwhelmingly powerful individual.
The Biggest Similarity
The strongest connection is the professional defense-team structure. World Trigger pushes that idea further into tactical combat, where positioning, team composition, and decision-making matter as much as attack power.
The biggest difference is pacing. Kaiju No. 8 often builds toward explosive monster encounters, while World Trigger spends more time on combat rules and tactics.
Best for: Viewers who cared more about Defense Force units and teamwork than Kafka’s transformation alone.
2. My Hero Academia
For More Underdog Growth
Kafka stands out because he is returning to a goal after life has already taken him in another direction. My Hero Academia does not share that adult perspective, but it offers similar satisfaction through a protagonist who starts at a serious disadvantage and has to train, learn, and prove he belongs.
What This Anime Does Differently
My Hero Academia focuses much more on school life, hero education, classmates, and long-term development. Its tone can also be brighter than Kaiju No. 8.
It is not the closest match if Kafka being an older working adult was essential. It works better if you want training, rivals, team exercises, and steady progression.
Best for: Viewers who saw Kaiju No. 8 primarily as an underdog growth story.
3. Jujutsu Kaisen
If Kafka’s Dangerous Power Interested You Most
Jujutsu Kaisen moves away from giant monsters and military-style defense, but it shares an important idea with Kafka’s situation. Yuji Itadori enters a world of supernatural combat while carrying a dangerous power connected to the kind of threat the fighters around him are supposed to confront.
That creates a familiar tension: the protagonist can protect people, but the source of his power can also make him a risk.
More Ability-Focused Combat
The action is smaller in scale than Kaiju No. 8’s giant-creature battles, but individual abilities and their rules matter more.
The biggest difference is the setting. Jujutsu Kaisen is built around curses and jujutsu rather than a modern anti-kaiju defense force.
Best for: Viewers who were most interested in Kafka’s dangerous position between humanity and the enemy.
4. Chainsaw Man
A Darker Human-Monster Boundary
Chainsaw Man is a strong choice for viewers interested in a protagonist who gains a frightening nonhuman form and then fights monsters alongside a public organization.
The viewing experience is much darker and more unpredictable than Kaiju No. 8.
The Biggest Similarity
Both series make the protagonist’s monster-like power useful and dangerous at the same time. The character’s body itself changes what kind of fighter he can become.
This may not be the best next watch if you mainly want friendly squad chemistry and career progression.
Best for: Viewers who liked Kafka’s transformation but want a darker, stranger, and rougher version of the idea.
5. Attack on Titan
For a Much Heavier Giant-Threat Story
Attack on Titan is the clearest choice for viewers who were drawn to the scale of Kaiju No. 8’s threats. Humanity faces enormous enemies that cannot be handled by ordinary means, making organized military defense central to survival.
The biggest difference is tone: Attack on Titan is considerably heavier.
If You Want the Threat to Feel More Serious
Choose Attack on Titan if the kaiju attacks, emergency deployments, and the idea of humanity organizing itself against enormous enemies were the strongest parts of Kaiju No. 8 for you.
It is less suitable if Kafka’s lighthearted personality and team comedy were your main reasons for watching.
Best for: Viewers who want the monster-defense concept pushed toward war, survival, and higher tension.
Which Anime Should You Watch First?
The easiest way to choose is to decide what you would remove last from Kaiju No. 8: the Defense Force, Kafka’s growth, his kaiju power, or the giant-monster threat.
If You Want Another Defense Organization — World Trigger
Start with World Trigger if squads, specialized roles, and cooperation inside the Defense Force were the main attraction. It gives team tactics more room to matter.
If Kafka’s Struggle to Catch Up Was the Best Part — My Hero Academia
Choose My Hero Academia if you enjoyed watching someone begin behind stronger candidates and improve through training and experience.
If the Human-Kaiju Conflict Was the Hook — Jujutsu Kaisen
Go with Jujutsu Kaisen if you were most interested in the risk created by Kafka carrying power associated with humanity’s enemies.
If You Want That Idea in a Darker Form — Chainsaw Man
Pick Chainsaw Man if you want a more violent and unpredictable version of the human-monster protagonist concept.
If Giant Enemies Were the Real Draw — Attack on Titan
Choose Attack on Titan if you mainly want enormous threats, organized human resistance, and much higher survival stakes.
FAQ
Which anime is closest to the Defense Force side of Kaiju No. 8?
World Trigger is the best match here for an organized defense agency, defined combat roles, and team-based tactics.
Which anime should I watch if I liked Kafka’s transformation?
Start with Jujutsu Kaisen if you want the tension of a protagonist carrying dangerous enemy-linked power. Choose Chainsaw Man if you want a more graphic and unstable version of that idea.
Which recommendation has the strongest giant-monster survival feeling?
Attack on Titan is the clearest choice because it gives much more weight to military survival and the fear created by overwhelmingly large enemies.
Related Anime Recommendations
Conclusion
For Kaiju No. 8 fans, World Trigger is the strongest starting point when the Defense Force itself was the main attraction. It keeps the focus on organized teams and gives tactical cooperation even more importance.
If Kafka’s attempt to catch up mattered more, My Hero Academia is the better progression-focused choice. If his kaiju nature created the most interesting tension, start with Jujutsu Kaisen, or choose Chainsaw Man for a harsher version of the same basic idea.
If the real appeal was watching humanity face enemies too large for ordinary people to fight, Attack on Titan takes that part of Kaiju No. 8 into a much heavier survival story.