START-567 — I Couldn't Look Away from My Friend's Adult Younger Sister — Nano Ogasawara
While staying at his best friend's home, Shiro can't stop staring at the braless curves of Nano, his friend's adult younger sister. He doesn't know she's secretly in love with him; once they're alone and he points out her I-cup exposure, embarrassment gives way to years of bottled-up desire.
