Is Mairimashita! Iruma-kun 3rd Season good to watch with a friend?
Easy to drop in. Mairimashita! Iruma-kun 3rd Season (Welcome to Demon School! Iruma-kun 3rd Season) is a TV series from Fall 2022 by Bandai Namco Pictures Inc., Bn Pictures: 21 episodes, about 8.4 hours in total, finished, 7.95/10 across the listing sites.
Watching it together: easy to drop in. Slice-of-life: you can start tonight without a plan, and a missed episode does not ruin it. about 8.4 hours for the run, 11 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
- 21
- Episode length
- 24 min
- Total time
- about 8.4 hours — a weekend
- First aired
- Fall 2022
- Status
- Finished
- Studio
- Bandai Namco Pictures Inc., Bn Pictures
- Score
- 7.95/10 across the listing sites
- Tags
- manga adaptation, comedy, cultivation & wuxia, demons, drama, fantasy, found family, idol, isekai, magic, mythology, school, shounen, slice of life, supernatural, gaming
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: Welcome to Demon School! Iruma-kun Season 3; Welcome to Demon School! Iruma-kun: Season 3; Welcome to Demon School! Iruma-kun 3; Welcome to Demon School, Iruma-kun 3.
Do you and a friend both want to watch Mairimashita! Iruma-kun 3rd Season?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Mairimashita! Iruma-kun 3rd Season 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.
Related anime
More like this: manga adaptation · comedy · cultivation & wuxia · demons · drama · fantasy · found family · idol · isekai · magic · mythology · school · shounen · slice of life · supernatural · gaming.
Quick answers
- How long does it take to watch all of Mairimashita! Iruma-kun 3rd Season?
- About 8.4 hours for all 21 episodes at 24 min each — a weekend; at two episodes a night that is 11 evenings.
- How many episodes does Mairimashita! Iruma-kun 3rd Season have?
- 21 episodes of 24 min.
- Is Mairimashita! Iruma-kun 3rd Season finished?
- Yes, Mairimashita! Iruma-kun 3rd Season is finished (21 episodes), so you can watch the whole thing at your own pace.
- Is Mairimashita! Iruma-kun 3rd Season good for a group?
- Yes. Mairimashita! Iruma-kun 3rd Season is tagged comedy, the tags that survive a room full of people talking over the screen.
- Where is Mairimashita! Iruma-kun 3rd Season listed?
- Mairimashita! Iruma-kun 3rd Season is on AniList (id 139092) and MyAnimeList (id 49784); 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