AMBI-130 Prejudicial brother and sister: When the younger sister has a boyfriend Yui Nagase

``Anyone who looks at their own sister in a sexual way is a strange person.'' I thought that too. - Until my sister got a boyfriend... - She doesn't pay attention to what her younger sister is doing, and in fact, it's easier when she doesn't have much conversation or contact with her. - I felt that distance from my sister. - However, when I heard a phone call with my boyfriend or found cute underwear that I didn't have before, I realized that different feelings were starting to grow inside me...