Adult PC Game: Cuckolding Diary -Sumire Shirasaki- - Version 1.20 by Surinam toad Archive

After moving from the countryside, I reunited with my old friend, Sumire Shirasaki. On the day we received our acceptance letters, I confessed my feelings to her. Though we'd been dating for a while since then, we hadn't even kissed...

Sumire, having grown up in a sheltered rural environment, was incredibly naive about worldly matters. Her knowledge about sex was limited to what she learned in health class textbooks - she was pure and innocent in every sense.