Nagatoro is still torturing Senpai, laughing at his choice of manga and at how he talks to girls, and trying to get a reaction out of him by having him put her stockings on her.
Really?
حقّاً؟
Ach ja?
¿Ah, no?
¿Ah, no?
Sérieusement ?
Davvero?
Sério mesmo?
Ты серьёзно?