Zenbu Shitteru yo, Nee-chan.: Kojirase Osananajimi You-kun ni Mesu Ochi Choukyou Sareru made

A story about being mating press creampied by a yandere-type longtime friend whose love for you has become warped.

**Official Translations:**
[English](https://www.dlsite.com/girls/work/=/product_id/RJ01520677.html), [Korean](https://www.dlsite.com/girls/work/=/product_id/RJ01435094.html)