Adult PC Game: Crimson High - v0.34.1 by Vertigo Archive

When Ren (or whatever you decide to call him) is assigned to investigate a murder at Crimson High, he expects to face some challenges. However, he soon realizes that the school's secrets are far more complex than he could have ever imagined. And with a cast of quirky characters, including some adorable girls, Ren's adventure was only just beginning.
Join him on his quest to solve a murder case and find himself, all while trying not to get distracted by the cute girls around him.

Crimson High - v0.34.1 by Vertigo Gameplay Preview