I… am I orgasming right now? I don’t know… But, it feels so good…” Even though I’m your cousin, and you’re my older sister… I’m going crazy with a younger boy’s big dick… Hinano Mitsuki, who will be taking entrance exams next year, has an unrequited crush on his cousin Tsukasa Miyoshi, who will live with him to shorten her way to school. One day , when Hinano is doing housework instead of Tsukasa-Neechan, he discovers a woman’s shirt that smells softly…! “Tsukasa-san…” When I gave in to the temptation and had my sister’s shirt in one hand, a real Tsukasa barged in…!? “But hey! That’s my shirt!!” Tsukasa blushes with anger and turmoil. At first, Tsukasa was confused, but gradually his mischievousness grew stronger… “–Then, prove it, you’re not lying. ” Tsukasa starts to touch Hinano’s penis . Even if She refuses, Hinano’s hands are much more comfortable than she imagined. IT'S NOT INCEST THEY ARE CHILDHOOD FRIENDS