Synopsis: An perverted otaku who loved doing perverted shit to his sister found a incest hentai suddenly in his computer and decided to play it. But it never started, so he went to sleep. When it got up, he found himself turned into a younger self and got all his sister over his cute young self. That’s how his week-long sex journey started which was actually the theme of the hentai game he found earlier. The name of game was Older Sister Week Long Experience. How come shit like this never happens to us?
Alternate Names: 性活週間 THE ANIMATION
Aired: Mar 29, 2019 to TBA
Producers: Pink Pineapple, Seven
Source: Manga