11-year-old Tomo (Rinka Kakihara) lives with mother Hiromi (Mimura), but Hiromi decides to give up on her and leaves their home. Tomo, now all alone, visits her uncle Makio’s (Kenta Kiritani) home. Makio lives with his beautiful girlfriend Rinko (Toma Ikuta). Rinko was born as a man and now works as a caregiver at a home for the elderly. Tomo is a little confused by the situation, but they begin to live as a family.