SHIC-119 My sister doesn't wear a bra at home, so I'm a little troubled as a brother ... Himari-chan Himari Natsukawa

Himari doesn't wear a bra when she's at home. Do you hate tightening or to relax? My brother, who has such a younger sister, has been worried about Himari's recent problems. No matter how much my family is, it's bad for my heart and crotch to see my sister's breasts often. However, the more conscious I was, the more wrong thoughts passed through my brother's head ...