Title: Erogaki ni Hamaru Kanojo
Original title: エロガキに嵌まる彼女
Year: Japan 2017-04-27, English Version 2019-01-01
Developer: Shinachiku Castella
Publishers: Shinachiku Castella
Language: English
Voice: Japanese

Description:
My childhood friend was stolen away from me by a perverted bastard…
But that was only the beginning of her fall. By the time I realized, it was all too late…

Source: DLsite

Important:

1. No need to install.

Screenshots: