Is Ninja to Koroshiya no Futarigurashi good to watch with a friend?
Easy to drop in. Ninja to Koroshiya no Futarigurashi (A Ninja and an Assassin Under One Roof) is a TV series from Spring 2025 by Shaft Aoi, Shaft Inc.: 12 episodes, about 4.6 hours in total, finished, 7.5/10 across the listing sites.
Watching it together: easy to drop in. Episodic: you can start tonight without a plan, and a missed episode does not ruin it. about 4.6 hours for the run, 6 evenings at two a night. Rule: episodic, slice-of-life, or comedy/action ≤ 26 episodes → easy to drop in.
This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.
The facts
- Type
- TV series
- Episodes
- 12
- Episode length
- 23 min
- Total time
- about 4.6 hours — a weekend
- First aired
- Spring 2025
- Status
- Finished
- Studio
- Shaft Aoi, Shaft Inc.
- Score
- 7.5/10 across the listing sites
- Tags
- action, adventure, robots & AI, manga adaptation, comedy, cute girls doing cute things, slice of life, demons, episodic, fantasy, cooking, ghost, school, martial arts, ninja, samurai, shounen, tragedy, violence, yuri
Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale. Also listed as: A Ninja and an Assassin Living Together; Ninja and Assassin Living Together.
Do you and a friend both want to watch Ninja to Koroshiya no Futarigurashi?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Ninja to Koroshiya no Futarigurashi flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.
Or open it on AniList or MyAnimeList.
More like this: action · adventure · robots & AI · manga adaptation · comedy · cute girls doing cute things · slice of life · demons · fantasy · cooking · ghost · school · martial arts · ninja · samurai · shounen · tragedy · yuri.
Quick answers
- How long does it take to watch all of Ninja to Koroshiya no Futarigurashi?
- About 4.6 hours for all 12 episodes at 23 min each — a weekend; at two episodes a night that is 6 evenings.
- How many episodes does Ninja to Koroshiya no Futarigurashi have?
- 12 episodes of 23 min.
- Is Ninja to Koroshiya no Futarigurashi finished?
- Yes, Ninja to Koroshiya no Futarigurashi is finished (12 episodes), so you can watch the whole thing at your own pace.
- Is Ninja to Koroshiya no Futarigurashi good for a group?
- Yes. Ninja to Koroshiya no Futarigurashi is tagged action, comedy, the tags that survive a room full of people talking over the screen.
- Where is Ninja to Koroshiya no Futarigurashi listed?
- Ninja to Koroshiya no Futarigurashi is on AniList (id 177120) and MyAnimeList (id 58725); Queue Up keys it by its AniList id and shows it when it is on either of your lists.
Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists