Makoto Himemiya” promises “Kaoru” who has just become a lover to have sex with him if he achieved good grade.
However, Kaoru, who hadn’t studied normally, fell asleep in front of her while studying together in Makoto’s room, working hard for her promise.
At such a timing, Makoto ends up masturbating her masturbation, which she had put up with because of her scent.
Her brother-in-law came into the room there …! ??
