I'm going to take care of my little sister who has been raising me by inserting her morning erection and pissing it in the middle of a hard workout!! Fukatsuki-kei
Her sister's "Kei" is a very serious, caring girl. One morning, I was supposed to help me change my clothes when I slept, but I am in the midst of an apologizing morning! I was really excited about my little sister who was surprised at her erection. To let a weak sister touch it and help to cure the initiation ...!?