Hayato and Rin find themselves in danger of committing "indecent coed relations" while trying to stop another couple of students for doing the same thing.
Misumi-kun is still inexperienced 
in these matters.
Misumi ist, was das angeht, noch unerfahren.
Misumi-kun aún es muy
inexperta en esas cosas.
Misumi-kun aún es muy
inexperta en esas cosas.
Misumi n’en est pas encore là.
Misumi è ancora inesperta in queste faccende.
A Misumi-kun ainda não 
chegou ao nível certo.