The 4 girls come watch the basketball game that their Sasaki is a member of. Kana has been secretly in love with Sasaki, whom Haruko ends up making out with. This triggers Kana's NO to activate, but she notices that and runs away. 
What are you doing, Aida?
Was treibst du da, Aida?!
¿Qué haces, Aida?
¿Qué haces, Aida?
Qu’est-ce que tu fous ?
Ma che cavolo combini, Aida?
O que você tá fazendo, Aida?
Айда, ты что творишь?!