Seki-kun starts shining his desk during class. Amazed at the effect of his work, Yokoi-san finds herself being dragged into his want to shine more desks.
Where did he learn how to do that?
Und wo hat er das bitte gelernt?
¿Dónde habrá aprendido a hacer eso?
¿Dónde habrá aprendido a hacer eso?
Où a-t-il appris 
à faire ça ?
Dove avrà imparato a farlo?
Onde ele aprendeu a fazer isso?