In the midst of a lonely life, the only time Ishii feels at peace is when he exchanges greetings with his neighbor's wife, Mizuho (Mizuhara Mio). Ishii was always healed by Mizuho's smile. Such a Mizuho is now in this room. She wants to stay because she had a fight with her husband and ran out of the house. Spending a night alone with the beloved Mizuho. Unexpectedly, the dream-like situation has come to Ishii, who could not suppress his excitement inside...