Student council secretary and first year student Tanahashi Suzune witnesses all the details of Riko and Maki's love lab. Believing she has been scorned by Suzu, who fled the scene in a hurry, Maki is shocked.
So, that's why he's 
wearing a school uniform.
Así que por eso lleva uniforme.
Así que por eso lleva uniforme.
C’est pour ça qu’il porte
un uniforme de collégien.
Então é por isso que ele está
 com o uniforme da escola.