I'm going to live with my ex-lover's daughter.Kanji Yoshizumi, 40 years old (single), is a man who avoids risk, carries insurance, and bets his life on living a stable life.One day, his ex-girlfriend's daughter, 15 years old (high school student), comes as a risk to his steady life course.This is a puzzling home comedy about a man who is at a turning point in the maze called life.