After being a ronin, Kyohei entered a university in Tokyo and came to visit his aunt, Eriko, who lives in Tokyo. Eriko was always beautiful and Kyohei admired her. Kyohei, who was welcomed by Eriko and drank alcohol, became muddy. Then ... Eriko appeared in a dream and seduced Kyohei while whispering obscene words. After that, Kyohei dreams of lewd acts with Rieko every time he sleeps. However, Kyohei begins to feel something is wrong with Eriko's too real warmth and the pleasure of her pussy.