Kana's best friend Hibiki is coming to stay at the house of Kana and Ichiro, a close couple, for about a week.I wonder if I'll be happy to see you again after such a long time.Ichiro seemed uneasy.Ichiro wonders if Hibiki will seduce him and end up having a relationship with each other.Kana and Ichiro's bodies become useless without Hibiki, and they drown in the pleasure of the three of them...
