I mean, it's pretty obvious the teacher is just trying to "solve" this by forcing someone to take the blame just so she can say she handled the issue. Actually investigating what's going on would take effort, after all. It's far easier to just pressure a shy person into giving a confession.
I mean, the character design made me think they both were older, but on the other hand I'm not surprised at all that they're teenagers. Seriously, it's like you people haven't been paying attention to how fucking horny they are all the time.
Because Meltina equates "ally" to "brown-noser". Getting and mantaining allies requires compromises, especially allies as powerful as Ryouma. But the Queen doesn't want that, she wants unquestionable loyalty while giving nothing back.
Actually, if I remember the WN and LN correctly, Hero dude isn't even in love with Kaori (or Shizuku) he just kind of expected them both to just... Be there. Forever. Even after he married someone else, they were supposed (in his mind) to remain forever single and supporting him. It was honestly...