Kenta hasn't found a house, so she stays at her uncle's house for a while. Because he always has to go on a long business trip, there are almost always only two aunts and nephews at home. Kenta had always had feelings for his Aunt Sakura, he had always wished to marry someone as beautiful as hers. Despite thinking like that, Kenta felt satisfied to be with Sakura. He also used to wait for Sakura to take a shower and then sneak in and masturbate with her panties. Unfortunately, this time Sakura found out, not only did she not scold him, but she also helped him feel happier by blowing his trumpet, letting him explore her body, and finally letting him feel free to have sex with her! Since then, the two aunts have become closer to each other. Every time Kenta returns from work tired, Sakura is sexually satisfied to recharge his energy. Just like that, the two maintained this abusive relationship during Kenta's uncle's business trip...