HYBR-001 A one-night, two-day trip to Tokyo for exams. The aunt is actually an uncle. Rin Shitsuki.

I was supposed to come to Tokyo from the countryside to take the exam, so I decided to stay at my relative's aunt's house who lives in Tokyo. My mother's older sister, my aunt, is beautiful, but she's still single. Even though I was a child, I admired her for being a sophisticated and beautiful woman in the city. , I Accidentally Drank A Sex Enhancer On My Way Back To My Room, My Aunt's Room Door Was A Little Open And I Was Caught By An Impulse...