Kotteri Okusan: Otto no Otôto mo Kuwaete

Hideharu and his wife Lisa are trying to conceive a child. One day, Hideharu receives a call from his mother; she wants him to contact his twin brother, Haruo, who isn't answering his phone. Meanwhile, Haruo—a playboy and the polar opposite of Hideharu— is on his way to a hotel with a woman named Mrs.