KSBJ-020 — My Brother's Wife, Kiriko Kinosaki

Six months ago, my brother got married and his wife came to our house. My brother's wife is the same age as me and very sexy. She is friendly and cheerful, and works hard as a housewife. However, there is one problem... That is, her sexy underwear is in the laundry. It is exciting for me, and I often masturbate while remembering it. Then, by chance, I find out her secret...