VEC-451 A secret between me and my friend's mother. Forcibly having sex with my girlfriend's aunt... Rika Tsubaki

Takagi, who was visiting his classmate's house, had a crush on his friend's mother, Rika, since childhood. Takagi is worried about Rika, who is so beautiful and kind that he unconsciously follows her with his eyes, and is restless. When he secretly goes to check on Rika on the way to the bathroom, he comes across a crucial scene where Rika is cheating on her. Takagi's emotions run wild due to the shocking truth...