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. 
W-We haven't.
Nein, haben wir nicht.
No.
No.
P-Proprio no.
N-Não vimos.
Н-Не видели.