DASS-998 · The Case Where the Sassy Relative Boy Was Actually a Beautiful Girl: 4 Days of Teasing and "Wakarase" Sex Leading to Cohabitation - Sumire Kuramoto

The sassy relative I thought was a boy...
Sumire, a college student, has nowhere to stay for four days due to moving troubles and ends up staying at her relative Keisuke's house. Keisuke mistakes the sassy Sumire for a boy, but after helping her out, he discovers she is actually a girl, and the two begin to feel attracted to each other...