2025年夏アニメ
怪獣8号 第2期
Production I.G
アクションSFバトル
2025年7月19日〜9月27日 放送
Kafka Hibino avoided being weaponized thanks to Defense Force Commander-in-Chief Isao Shinomiya's decision, but remains in custody. As the Third Division's new recruits head to their assignments, Kafka is confronted by Gen Narumi, the Defense Force's strongest man and captain of the First Division. Narumi has no need for Kafka as a mere soldier, so Kafka must prove his worth by confronting the overwhelming power of Kaiju No. 8 within himself. Meanwhile, the threat of 'Kaiju No. 9' looms in the shadows. A story of inherited will and power, the birth of new Numbers-compatible fighters, and the Defense Force's greatest crisis yet. The series began airing July 19, 2025 on TV Tokyo and other stations.
📝 Highlights
👥 Characters
💫 Foreshadowing & Quotes
❓ FAQ
🌟 Featured Comments
📝 Highlights & Appeal Light spoilers
01① Facing off with the Defense Force's strongest, Gen Narumi
A key highlight is Kafka proving his worth as Kaiju No. 8 to Narumi, who doesn't recognize him as a real soldier.
02② The new threat 'Kaiju No. 9'
Kaiju No. 9, now in a form different from Season 1, stands in the way of Kafka and the First Division.
03③ The theme of inherited will and power
The will passed down from Isao and Hikari Shinomiya to Narumi and Mina Ashiro is now being inherited by the next generation — Kafka and Kikoru.
04④ Kikoru Shinomiya's resolve
Kikoru, who joined the Defense Force to live up to her mother, renews her vow that 'no comrade will die on my battlefield.'
05⑤ New cast includes Kotono Mitsuishi, Kana Hanazawa, Hiroki Yasumoto
Kotono Mitsuishi joins as Hikari Shinomiya, Kana Hanazawa as Rin Shinonome, and Hiroki Yasumoto as Age Hasegawa.
06⑥ Theme songs by AURORA and OneRepublic
The OP is AURORA's 'You Can't Run From Yourself,' and the ED is OneRepublic's 'Beautiful Colors.'
07⑦ Production I.G's visuals and Studio Colour's kaiju design
The powerful battle scenes and eerie kaiju designs from Season 1 are just as striking here.
08⑧ The Defense Force's greatest crisis, told in 11 episodes
The threat of Kaiju No. 9 engulfs the entire Defense Force in what may be the series' largest-scale battle yet.
💡 Key Points & Predictions Some spoilers
Whether Kafka can earn Narumi's recognition, and how the Defense Force confronts the looming threat of Kaiju No. 9, look to be the biggest highlights.
🧾 Story So Far Contains spoilers
Having avoided weaponization, Kafka remains in custody and must face off against Narumi, the Defense Force's strongest man. Meanwhile, the new threat of Kaiju No. 9 approaches the Defense Force.
✅ Recommended Viewing Points
Recommended for anyone who wants both overwhelming kaiju battles and a heartfelt drama about inherited resolve.
👀 Trivia & Fun Facts
The OP is by AURORA, who has openly expressed love for Kaiju No. 8, and the ED is by OneRepublic — the choice of overseas artists became a hot topic.
Kafka Hibino / Kaiju No. 8 (CV: Katsuya Fukunishi)
The protagonist, who has the power to transform into a kaiju while aiming to become a true Defense Force soldier. He strives to earn Narumi's recognition.
Mina Ashiro (CV: Asami Seto)
The elite captain leading the Third Division, and also Kafka's childhood friend.
Reno Ichikawa (CV: Wataru Kato)
A new recruit in the Third Division who looks up to Kafka like an older brother.
Kikoru Shinomiya (CV: Ai Fairouz)
Isao Shinomiya's daughter, a formidable fighter who joined the Defense Force to live up to her mother.
Soshiro Hoshina (CV: Kengo Kawanishi)
The Third Division's No. 2 fighter, a dependable figure who teaches Kafka how to fight.
Gen Narumi (CV: Koki Uchiyama)
The Defense Force's strongest man, captain of the First Division. He doesn't recognize Kafka as a true soldier.
Age Hasegawa (CV: Hiroki Yasumoto)
The First Division's vice-captain, who handles most of the division's duties in place of Captain Narumi.
Rin Shinonome (CV: Kana Hanazawa)
A squad leader in the First Division, skilled with large-caliber weapons.
Isao Shinomiya (CV: Tessho Genda)
The Defense Force's Commander-in-Chief, who saved Kafka from being weaponized and left him a path to remain a soldier.
Hikari Shinomiya (CV: Kotono Mitsuishi)
Kikoru's mother, once an active Defense Force fighter herself. A new cast addition from Season 2.
💫 Unresolved Foreshadowing Contains spoilers
・What the changed form of Kaiju No. 9 means compared to Season 1 is intriguing.
・How the 'will' inherited from Isao and Hikari Shinomiya to Narumi and Mina, and now to Kafka and Kikoru, is revealed is also worth watching.
・How new cast members Age Hasegawa and Rin Shinonome get involved with the First Division is worth noting too.
💌 Predicted Viral Quotes for Next Season
"No comrade will die on my battlefield." A memorable line showing Kikoru Shinomiya's resolve to carry on her mother's will.
"I don't need you as a soldier." A line from Narumi to Kafka that symbolizes the core of their conflict.
What kind of anime is “Kaiju No. 8 Season 2 Guide”?
Kafka Hibino avoided being weaponized thanks to Defense Force Commander-in-Chief Isao Shinomiya's decision, but remains in custody. As the Third Division's new recruits head to their assignments, Kaf…
What are the theme songs (OP/ED) of “Kaiju No. 8 Season 2 Guide”?
You can find the theme songs of “Kaiju No. 8 Season 2 Guide” ranked by view count in the anime song ranking on the homepage. Each song’s page also shows a chart of its view-count history.
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