SONE-655 _Being a tutor for your lover's sister and the ending

The first time he went to his girlfriend's house, Narita was attracted to her lover's younger sister Hiyori. Hiyori's personality, face, G-cup breasts, and body are all gorgeous, much better than Narita's girlfriend. Because Narita used to work as a tutor, his girlfriend also asked him to tutor Hiyori. Sharing the same room with Hiyori made Narita almost lose her mind, he unconsciously moved to knead Hiyori's big breasts. I thought Hiyori would immediately get angry, but she didn't! Even though she said it was not possible, Hiyori did not stop Narita from freely squeezing her breasts. No longer worried, Narita officially crossed the boundary, taking over the beautiful body of her lover's sister. Hiyori also gradually became more honest, she actively solicited love from Narita, solicited sex with her sister's boyfriend even when her sister was nearby...