Is Piano no Mori (TV) good to watch with a friend?
Easy to drop in. Piano no Mori (TV) (The Perfect World of Kai) is a TV series from Spring 2018 by Benten Film Co., Ltd., Fukushima Gainax: 12 episodes, about 5 hours in total, finished, 7.36/10 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 5 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
- 25 min
- Total time
- about 5 hours — a weekend
- First aired
- Spring 2018
- Status
- Finished
- Studio
- Benten Film Co., Ltd., Fukushima Gainax
- Score
- 7.36/10 across the listing sites
- Tags
- adventure, manga adaptation, comedy, coming of age, drama, music, school, seinen, slice of life
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 Piano no Mori (TV)?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Piano no Mori (TV) 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: adventure · manga adaptation · comedy · coming of age · drama · music · school · seinen · slice of life.
Quick answers
- How long does it take to watch all of Piano no Mori (TV)?
- About 5 hours for all 12 episodes at 25 min each — a weekend; at two episodes a night that is 6 evenings.
- How many episodes does Piano no Mori (TV) have?
- 12 episodes of 25 min.
- Is Piano no Mori (TV) finished?
- Yes, Piano no Mori (TV) is finished (12 episodes), so you can watch the whole thing at your own pace.
- Is Piano no Mori (TV) good for a group?
- Yes. Piano no Mori (TV) is tagged comedy, the tags that survive a room full of people talking over the screen.
- Where is Piano no Mori (TV) listed?
- Piano no Mori (TV) is on AniList (id 100401) and MyAnimeList (id 36652); 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