 "Tomodachi no Uta" became the theme song for the popular television drama "Watashi ga Watashi de Aru Tame ni", a primetime television drama about a young transsexual woman.Nakamura even received a small cameo appearance on the program.Nakamura wrote "Tomodachi no Uta" when she was fourteen years old; notably, it was the first song she ever wrote.