I Hate You

Following their one-on-one duel in Mementos, Akechi confesses to Joker that he hates him, because everything he's able to accomplish, Joker does better than him, and Akechi refuses to lose to the person he considers his rival. He then proceeds to throw his glove at Joker, ensuring the two are firmly locked in a duel.

Example of:
The Resenter