Reiko Kobayakawa, the wife of her husband who is serious about work. As usual today, as soon as I see off my husband, I start preparing to go somewhere. The destination is the next room. A strange event was a kick, and from a certain time, I had built a nasty relationship while my husband was away. From 9:00 to 17:00 when their husband goes out, they are intertwined violently as if they devour each other's bodies. And, as the days went by, it was an act of escalating further in search of stimulus ...