[T28-632] On the day my parents were gone, I fucked my younger sister all day long. Kozue Fujita

Kozue Fujita is a sister who is very clingy to his older brother. And this one time, they are staying alone as the parents are away.

At some point, things become very weird and sexual, and the brother is supposed to be the voice of reason. But this oniichan decides to cum inside her instead.