Wataru goes to ask Nagi why Isumi is dressed in another high school's uniform, and finds out that Izumi has fallen for another guy in another high school and attempts to see him.
But you're putting on an awfully nuanced 
performance at a time like this.
Ahora mismo estás haciendo 
una actuación bastante falsa.
Mas você está insinuando
coisas horríveis como essa.