One day, Miho receives a call from her husband's younger brother, Jiro, on her cell phone. - "I just moved to the neighborhood, so I want to meet you," he said. - Miho was dating Jiro before they got married. - Although hesitant, Miho heads to Jiro's house to help him move, and in the small one-room room, she is once again held in Jiro's warm arms. - Once the lust flared up, it never cooled down, and Miho started spending intense time at Jiro's house almost every day when her husband went to work...