The aunt who came to stay at my house loved me so much that I had sex with her from morning till night, the best two days full of eroticism.

In order to attend a friend's wedding, Mina is asked to stay at the apartment of her nephew Hiroki, who lives alone in Tokyo. The two ended up sleeping together in a narrow single bed. Mina gets into bed without worrying about it, but Hiroki is unable to hold back his desire as his beautiful and lustrous aunt clings to him. He accepts Hiroki's sexual desire and drowns in the climax of pleasure.