Mob is very busy preparing for the cultural fair that's coming up in two weeks. Meanwhile, Serizawa is trying to start over, and is thinking about going to night school.
It's okay. I figured it out.
لا مشكلة. توصّلتُ لفكرة
Ist schon okay. Hat sich erledigt.
Descuide. Ya lo solucioné.
No pasa nada. Ya lo he solucionado.
Non, c’est bon.
J’ai trouvé une solution.
Non ce n'è più bisogno. 
Ci sono arrivato da solo.
Tudo bem, já resolvi.
Уже не надо,