Ishikawa is a middle-aged man who has an ordinary marriage and lives an ordinary life. One night, tired of the pointless conversations he has with his ordinary wife, he goes out to buy cigarettes. "Are you and my wife just going to keep growing old like this?" While pondering such a negative thought, he happens to look at an advertisement for tissues in his pocket... "Mom's brothel - Why not go back to your childhood and be soothed?" In the next moment, Ishikawa's hand naturally reaches for his cell phone...