Yokoi-san gets closer to Seki-kun as he's trying out glasses in class. She starts to think that the glasses are so he can see during class... but that leads to a huge misunderstanding!
Seki-kun, you idiot! Idiot! Idiot!
Seki-kun, du Idiot! Idiot! Idiot!
¡Seki-kun, tonto, tonto...!
¡Seki-kun, tonto, tonto...!
Seki, triple idiot !
Seki-kun! 
Stupido, stupido, stupido!
Seki, seu bobo! Bobo, bobo!