Kaiju No. 8 is getting a spinoff that swaps monster-slaying for office-dodging. On May 30, the franchise revealed Kaiju No. 8: Narumi's Week at Work (*Narumi no Heijitsu*), a new anime short built around Gen Narumi — captain of the Defense Force's First Division and the man billed as Japan's Strongest Anti-Kaiju Combatant. It debuts Fall 2026.
Quick answer
Kaiju No. 8: Narumi's Week at Work (*Narumi no Heijitsu*) is a comedy anime short premiering Fall 2026, animated by Production I.G. The story is conceived by Kizuku Watanabe, creator of the Kaiju No. 8: Relax spinoff manga, with Shigeyuki Miya directing, Tetsuya Nishio on character designs, and Kōki Uchiyama reprising Gen Narumi. It spins off Naoya Matsumoto's Kaiju No. 8. According to SenpaiRanks, the main Kaiju No. 8 TV anime sits on the dual-axis ranking board — Consensus next to Quality — so you can see whether a hit shounen is broadly liked, technically strong, or both.
The hook
The joke writes itself: the strongest soldier on the roster, and the short follows him goofing off. Narumi "goes AWOL on meetings, adroitly shirks office work, and plays online games" while the unexpected still finds him. It's a tonal flip from the main series' kaiju warfare — the kind of low-stakes character spinoff that only lands once a franchise is big enough to coast on a fan-favorite.
Who's making it
Production I.G animates. Shigeyuki Miya directs, with Tetsuya Nishio as character designer and chief animation director, Yūta Bandō composing, and kaiju designs from Mahiro Maeda and Khara. The premise comes from Kizuku Watanabe, who draws the Kaiju No. 8: Relax spinoff manga — so this is a spinoff of a spinoff, with the source author steering. Kōki Uchiyama voices Narumi.
How to read it
Kaiju No. 8 has earned the room to experiment. Per SenpaiRanks, the main TV anime and its second season both land on our rankings board, where Consensus (how broadly liked it is) sits beside Quality (how well it holds up) — the split MyAnimeList's single number can't show you and IMDb's general-audience score dilutes. A breezy office short won't move those ranks, but it keeps the franchise warm between heavier seasons. Think you'd rank Narumi's antics over the kaiju fights? Rate the series yourself and see where your taste lands against the crowd.
For the rest of the season, our Fall 2026 lineup tracks what's premiering, and the live release calendar keeps premiere dates current.
Worth a slot?
If you're already in on Kaiju No. 8, yes — it's a short, it's cheap to try, and Uchiyama's Narumi is a draw. If you've never touched the franchise, start with the main series first; this is dessert, not the meal. We covered the franchise's bigger swing in our Chainsaw Man where-to-watch read for fans hunting the next action-shounen hit.
Frequently asked questions
Q: What is Kaiju No. 8: Narumi's Week at Work?
A: It's a comedy anime short following Gen Narumi, captain of the Defense Force's First Division, as he dodges office work between kaiju threats. It premieres Fall 2026 from Production I.G.
Q: When does Narumi's Week at Work premiere?
A: Fall 2026. An exact date and episode count have not been announced yet.
Q: Who is making the short?
A: Production I.G animates, Shigeyuki Miya directs, Tetsuya Nishio handles character designs, and the premise comes from Kizuku Watanabe, author of the Kaiju No. 8: Relax spinoff manga.
Q: Where can I watch Kaiju No. 8?
A: The main Kaiju No. 8 TV anime and its second season stream on Crunchyroll. Streaming details for the Narumi short have not been confirmed.
Q: How does Kaiju No. 8 rank on SenpaiRanks?
A: SenpaiRanks tracks Kaiju No. 8 on a dual-axis board — Consensus (how broadly liked) next to Quality (how well it holds up). Check the rankings and rate it yourself to compare your taste with the crowd.