After ronin, Kyohei came to his aunt Eriko's house in Tokyo after passing university in Tokyo. Eriko had always been beautiful and long-cherished by Kyohei. Keihei, who was welcomed by Eriko and drank alcohol, became sluggish. Then ... Eriko appeared in her dream and came to seduce Kyohei while chanting a whimsical word. Then, every time I slept, Kyohei dreamed of acting with Rieko. However, due to the warmth of Eriko who was too realistic and the pleasure of Omanko, Kyohei began to feel something strange.