[ENGLISH-SUBTITLE] MASM-021 Even though I had a girlfriend for the first time, Yuuka Ichii was encou

"Creepy, could you have done it as a woman?" This cheeky female brat is my sister-in-law, Yuuka Ichii. We became a family when my mother remarried, and we've been living together for eight years now, but it's always been like this. She always calls me "gross" and it's really not cute! I also wanted a normal little sister who would call me ``Onii-chan''... I took advantage of my sister's provocation, saying, ``I'm a virgin, so we'll break up soon anyway,'' and I end up practicing kissing...