When their parents are no longer in the picture, a brother decides that he is going to care for his younger sister. Soon enough his intentions turn sour and lewd thoughts enter his brain...he starts touching her at nighttime while he thinks she is sleeping, little does he know that she is only pretending to be asleep...
| Title | Oyasumi Sex - Season 1 Episode 1 The First Night I Touched My Little Sister’s Skin |
|---|---|
| Year | 2021 |
| Genre | Animation |
| Country | Japan |
| Studio | |
| Cast | Mutsuki Iwanaka, Yuuri Matsuoka |
| Crew | Mika Mikami (Original Story), Blue Devil (Sound Effects), Shuuji Takemura (Assistant Director), Natsumi Kinomoto (Director), Teppitsu (Art Direction), Ema20 (Key Animation) |
| Alternative Titles | Sleeping Sex, 잘자요 섹스 |
| Keyword | hentai |
| First Air Date | Oct 26, 2018 |
| Last Air date | Sep 03, 2021 |
| Season | 1 Season |
| Episode | 4 Episode |
| Runtime | 20:14 minutes |
| Quality | HD |
| IMDb: | 10.00/ 10 by 1.00 users |
| Popularity | 0 |
| Language | Japanese |
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