[JUKF-035] I like my brother too much, and she's a bizarre Bracon older sister Kanna-chan Misaki Kanna

The Misaki family, whose mother passed away two years ago and lives with her father, daughter and son. The father works hard for the family, the elder brother and sister also see such father's back, the daughter does housework instead of mother while attending school, and the son also starts working, and parents and children live happily. However, the elder sister's Kanna has secretly had feelings more than the elder brother to the younger brother for a long time, and spends the day to push it to death by masturbating such feelings. But one day when her father is gone on a business trip, Kanna goes out to a drastic action against her younger brother!!