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. 
First Love by Shimazaki Touson
Primer amor
Toson Shimazaki
Primer amor
Toson Shimazaki
PREMIER AMOUR, DE TÔSON SHIMAZAKI