[ADN-622] I'm drowning in sex with my son who has no blood connection. Miu Shiramine

When I was young, my mother passed away due to illness. I vaguely remember my mother's face, but I don't remember it. My father ran a company and was able to live a luxurious life, but I was always at home and lonely. My father brought Kumi six months ago. I felt that she was somewhat similar to my mother, but Kumi was not my real mother. Kumi treats me like a real son, but... I didn't like that kindness. I didn't know why, but I finally realized. I am conscious of Kumi as the opposite sex.