The dungeon looked unassuming at a glance.
However, it was set with strange erotic trap rooms with no exit before pleasure.
Why oh why did my little sister decide to suddenly enter this place…
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A short touching simulation game about a brother and sister trapped in a room they can only escape by having sex.
- Censorship:Censored
- Language:Englishh
- Developer: Adult’s Hobby
- Release Date: Aug/10/2021
- Platform:Windows
- Store: DLSITE
Game crash when you open ? Please read this !
Make sure you setting like this in WinRAR before extracting: ![Little Sister Sweet Neoteny / 妹スイートネオテニー (RJ338529) 4 extract error](data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='963'%20height='616'%20viewBox='0%200%20963%20616'%3E%3C/svg%3E)
![Little Sister Sweet Neoteny / 妹スイートネオテニー (RJ338529) 4 extract error](https://hentakugames.com/wp-content/uploads/2023/03/extract-error.png)