Marc and Nathaniel are comic book partners. Subsequently, they spend a lot of time together. During one of those times, Marc gets a weird feeling of jealousy when Nath is (as usual) ranting about how much he wishes...

Bakugou and Todoroki. The Hero Course's 2nd and 3rd most problematic students. They're polar opposites as well, one (literally) chilled boy and one (literally) detonating 24/7. That said, everybody knows opposites...