How long does it take to watch all of Nanatsu no Maken ga Shihai suru?

About 5.8 hours for all 15 episodes at 23 min each — a weekend; at two episodes a night that is 8 evenings.

Is Nanatsu no Maken ga Shihai suru finished?

Yes, Nanatsu no Maken ga Shihai suru is finished (15 episodes), so you can watch the whole thing at your own pace.

Is Nanatsu no Maken ga Shihai suru good for a group?

Yes. Nanatsu no Maken ga Shihai suru is tagged action, comedy, the tags that survive a room full of people talking over the screen.

Where is Nanatsu no Maken ga Shihai suru listed?

Nanatsu no Maken ga Shihai suru is on AniList (id 142598) and MyAnimeList (id 50582); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

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Is Nanatsu no Maken ga Shihai suru good to watch with a friend?

Easy to drop in. Nanatsu no Maken ga Shihai suru (Seven Magic Swords Rule) is a TV series from Summer 2023 by J.C. Staff, J.C.Staff Co., Ltd.: 15 episodes, about 5.8 hours in total, finished, 6.66/10 across the listing sites.

actionlight-novel adaptationcomedydark fantasyfantasyharemmartial artsfriendship

Watching it together: easy to drop in. Comedy or action in a short run: you can start tonight without a plan, and a missed episode does not ruin it. about 5.8 hours for the run, 8 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: 15
Episode length: 23 min
Total time: about 5.8 hours — a weekend
First aired: Summer 2023
Status: Finished
Studio: J.C. Staff, J.C.Staff Co., Ltd.
Score: 6.66/10 across the listing sites
Tags: action, light-novel adaptation, comedy, dark fantasy, fantasy, harem, martial arts, friendship, gore, magic, monsters, revenge, romance, samurai, school, shounen, swordplay, tragedy, violence

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.

Do you and a friend both want to watch Nanatsu no Maken ga Shihai suru?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Nanatsu no Maken ga Shihai suru 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 · light-novel adaptation · comedy · dark fantasy · fantasy · harem · martial arts · friendship · magic · monsters · revenge · romance · samurai · school · shounen · swordplay · tragedy.

Quick answers

How long does it take to watch all of Nanatsu no Maken ga Shihai suru?: About 5.8 hours for all 15 episodes at 23 min each — a weekend; at two episodes a night that is 8 evenings.
How many episodes does Nanatsu no Maken ga Shihai suru have?: 15 episodes of 23 min.
Is Nanatsu no Maken ga Shihai suru finished?: Yes, Nanatsu no Maken ga Shihai suru is finished (15 episodes), so you can watch the whole thing at your own pace.
Is Nanatsu no Maken ga Shihai suru good for a group?: Yes. Nanatsu no Maken ga Shihai suru is tagged action, comedy, the tags that survive a room full of people talking over the screen.
Where is Nanatsu no Maken ga Shihai suru listed?: Nanatsu no Maken ga Shihai suru is on AniList (id 142598) and MyAnimeList (id 50582); 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