On screen · 13

1. RU
   Reina UedaBlue Boxas Chinatsu Kano (voice)My Happy Marriageas Miyo Saimori (voice)
2. KS
   Kenta SasaBlue Boxas Coach Yuasa (voice)My Happy Marriageas Minister of Education (voice)
3. IS
   Ivan ShibataBlue Boxas Club Member (voice)My Happy Marriageas (voice)
4. HM
   Hiroki MaedaBlue Boxas Taiki's Father (voice)My Happy Marriageas (voice)
5. SI
   Satoshi InomataBlue Boxas Club Member (voice)My Happy Marriageas (voice)
6. SK
   Satsuki KokubuBlue Boxas (voice)My Happy Marriageas Mitsu (voice)
7. YA
   Yu AkibaBlue Boxas Club Member (voice)My Happy Marriageas Special Anti-Grotesquerie Unit member (voice)
8. YI
   Yuki IshikariBothas (voice)
9. NK
   Naoko KomatsuBlue Boxas (voice)My Happy Marriageas Natsuyo (voice)
10. KB
    Ko BonkobaraBlue Boxas Club Member (voice)My Happy Marriageas (voice)
11. KT
    Kousuke TanabeBlue Boxas Club Member (voice)My Happy Marriageas Special Anti-Grotesquerie Unit member (voice)
12. MK
    Mayuko KazamaBothas (voice)
13. MS
    Makoto SaharaBothas (voice)