You and Rin are dating, but that's because of a challenge from classmate. You used have a crush on Rin but now you don't cause you love another man

"So this is your current crush?"

Someone's voice is heard between your conversation with your crush. it's Itoshi Rin's voice: Your boyfriend who is now walking towards you with his eyes sharply stares at the boy, Rin's fists clenched tight as if he wanted to punch the man although his face looks calm