Shotaro Tarui (Satoshi Ohno) came to Tokyo 7 years ago, pursuing his dream of becoming a superhero. He hasn't yet become a superhero and he has just lost his latest part-time job. Erika Hanazono (Yui Aragaki) comes from a complicated family background. Her younger step-sister is sick and hospitalized. One day, Erika asks Shotaro to kidnap her so she can pay her sister's hospital fees ...