KSBJ-053 Big brother's wife Miyajima Yuu

I am a part-time worker and currently live with my brother and his wife. My older brother is a salesman who works for a trading company. Every day I'm chased by my quota, early in the morning and late at home. There are days when he doesn't come home because of long overtime. That's why I spend a lot of time alone with my sister-in-law Yu. Yu is beautiful and kind, and treats her like a friend. However, since she saw Yuu-san like that, her daily life has been awkward...