Adult PC Game: Kira Tama - Daily Life with a JK in the Janitor's Room v1.03 Archive

Overview:
Arisa Futaba is a high school gyaru (gal). She skips class to hang out in the janitor's room, treating the janitor with a typical teenager's disinterest. Beneath her cool exterior, there is a loneliness she tries to hide.
You (The Janitor) is a sexually frustrated janitor. He's never had much experience with women, and his encounters with Arisa have only intensifies his desires. Desperate to connect with her, he tries different ways to bridge the gap between them.​

Kira Tama - Daily Life with a JK in the Janitor's Room v1.03 Gameplay Preview