MRXD-083 "My girlfriend's older sister is a nuisance masochist." 2 Hinata Mio

My name is Makoto. I met my girlfriend, Momo-chan, in the tennis club at the same university and have been dating ever since. Her older sister, Mio-chan, is also a fourth-year student at the same university, studying law. She's beautiful, intelligent, and a great cook, and I think she's a really wonderful woman. The other day, when I went to visit her house, her older sister suddenly said to me, without her younger sister looking: "You know... I want you to call me 'slut', Makoto-san..."