Rino and Nami are married women living in company housing. Rino has had feelings for Nami for a long time. One day, when Rino finds out that her husband is cheating on her, another personality is born in Kokoro. This other Rino violates Nami instinctively. Nami is frightened by Rino, who is like a different person. However, Nami also has another self sleeping inside her... And her hidden face is instinctive, while her public face is seeking love... The two faces switch places and devour each other's bodies.