As Mizuhara looks set to quit the rental girlfriend business, Kazuya goes to watch a play, one that could be pivotal to their relationship.
Have you been training 
in secret or something?
هل كنتِ تتمرّنين سرّاً؟
Machst du irgendein
geheimes Sondertraining?
¿Ensayas en secreto o qué?
¿Has ensayado en secreto o qué?
Dimmi, fai qualche allenamento segreto?
Esteve praticado em segredo,
ou algo assim?
У тебя есть какой-то секрет?