How long does it take to watch all of Kotarou wa Hitorigurashi?

About 4.3 hours for all 10 episodes at 26 min each — a weekend; at two episodes a night that is 5 evenings.

Is Kotarou wa Hitorigurashi finished?

Yes, Kotarou wa Hitorigurashi is finished (10 episodes), so you can watch the whole thing at your own pace.

Is Kotarou wa Hitorigurashi good for a group?

Yes. Kotarou wa Hitorigurashi is tagged comedy, the tags that survive a room full of people talking over the screen.

Where is Kotarou wa Hitorigurashi listed?

Kotarou wa Hitorigurashi is on AniList (id 139589) and MyAnimeList (id 49909); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

Queue Up — what anime do we watch?Compare two AniList lists →

Anime lists › Best detective anime to watch with a friend

Is Kotarou wa Hitorigurashi good to watch with a friend?

Easy to drop in. Kotarou wa Hitorigurashi is a web series (ONA) from Winter 2022 by Liden Films Inc., Lidenfilms: 10 episodes, about 4.3 hours in total, finished, 8/10 across the listing sites.

manga adaptationcomedycoming of agedetectivedramaepisodicfound familyiyashikei (healing)

Watching it together: easy to drop in. Episodic: you can start tonight without a plan, and a missed episode does not ruin it. about 4.3 hours for the run, 5 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: Web series (ONA)
Episodes: 10
Episode length: 26 min
Total time: about 4.3 hours — a weekend
First aired: Winter 2022
Status: Finished
Studio: Liden Films Inc., Lidenfilms
Score: 8/10 across the listing sites
Tags: manga adaptation, comedy, coming of age, detective, drama, episodic, found family, iyashikei (healing), school, seinen, shounen, slice of life, tragedy

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 Kotarou wa Hitorigurashi?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Kotarou wa Hitorigurashi 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: manga adaptation · comedy · coming of age · detective · drama · found family · iyashikei (healing) · school · seinen · shounen · slice of life · tragedy.

Quick answers

How long does it take to watch all of Kotarou wa Hitorigurashi?: About 4.3 hours for all 10 episodes at 26 min each — a weekend; at two episodes a night that is 5 evenings.
How many episodes does Kotarou wa Hitorigurashi have?: 10 episodes of 26 min.
Is Kotarou wa Hitorigurashi finished?: Yes, Kotarou wa Hitorigurashi is finished (10 episodes), so you can watch the whole thing at your own pace.
Is Kotarou wa Hitorigurashi good for a group?: Yes. Kotarou wa Hitorigurashi is tagged comedy, the tags that survive a room full of people talking over the screen.
Where is Kotarou wa Hitorigurashi listed?: Kotarou wa Hitorigurashi is on AniList (id 139589) and MyAnimeList (id 49909); 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 2026-09-23. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists