Touya and Minori and the rest of the players in the training camp are hitting a wall with the way they fight.  And Minori's suggestion is that they introduce themselves to one another!
Shiroe? Are you laughing?
Shiroe? Lachst du etwa?
¿Shiroe-san? ¿Te estás riendo?
Vous vous moquez de moi ?
Shiroe? Stai forse ridendo?
Shiroe-san? Está rindo?
Сироэ? Вы что, смеётесь?