Kugou and Nagaya are best friends, Nagaya who is cheerful and dense guy are popular with both girls and guys. One day Kugou notice a guy named Usui staring at Nagaya everytime they are passing by each other.
Realizes that the guy staring has feelings for his best friend, Kugou decided to offer help and help the guy becomes his best friends partner.
Kanjou Spectrum - Yoneda Kou