Yui Tsukioka
main character
OVA
6.5
My TrackerPLANNING
Episode: 0 / 4
My Score:
Anime DetailsFINISHED
Estimated watch time
1h 8m
⚡ 1 days at 5 eps/day
Tags & Tropes
Incest94%Flat Chest85%Heterosexual79%Nakadashi76%Nudity73%Age Gap68%Female Protagonist60%Male Protagonist60%Masturbation46%Facial40%
overview details
Synopsis & Story
Since our parents divorced, I spent more time with my younger sister. For me, Yui is still like a little baby. I have to be able to replace the position as a father and take care of Yui. However, over time, I feel insane. Every night I do something pervert to my own sister when she sleeps. I understand we are siblings, but I can't help it.... (Source: Translated and Edited from Nekopoi)
Trailer
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Featured Cast & Voice Actors
Franchise Universe & Related Entries
Aniphoria guide
Oyasumi Sex: should you watch it?
At a glance
Oyasumi Sex has been met with mixed reactions, with an average AniList score of 65/100 — 40% of 1,734 ratings are 8/10 or higher.
Of the 3.7K AniList users who started it, 4.5% dropped it, so it is rarely abandoned; 3K have finished it.
At about 1 h 8 min in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Hentai, Romance — especially incest, flat chest, heterosexual, nakadashi.
Main cast & creators
- Original creator
- Mika Mikami
- Director
- Natsumi Kinomoto
Oyasumi Sex FAQ
- How many episodes does Oyasumi Sex have?
- Oyasumi Sex has 4 episodes of about 17 minutes each, roughly 1 h 8 min in total.
- Is Oyasumi Sex finished?
- Yes. Oyasumi Sex has finished airing — the final episode aired September 3, 2021.
- Is there a season 2 of Oyasumi Sex?
- No sequel is listed for Oyasumi Sex as of October 2026.
- Is Oyasumi Sex based on a other source?
- Yes. Oyasumi Sex adapts the other source by Mika Mikami.
- Who animated Oyasumi Sex?
- Oyasumi Sex was animated by NewGeneration and directed by Natsumi Kinomoto.