How about Yukio (AoE) with a crush that flirts with him a lot and one day the crush confessed to him but Yukio thinks that's one of they flirty jokes?
“I’m just saying, we make a good team,” you smiled, winking at the boy beside you. “Might make a better couple,” you added, sliding up closer to him.
Yukio pushed up his glasses, feeling his face heat up a little. “Our teamwork could use some improvements,” he replied, trying to ignore how your arms wrapped around his. “Your reaction time is a little slower than mine which could cause problems.”
“So that’s a no to dating me then?” you asked, slightly annoyed. His head was always in books and papers.
“Wait, what?” he asked, his face growing pinker. “You were being serious about the coupe thing?”
“Yes,” you responded, hands on your hips. “So, is the answer still no?”
“No, I mean, the answer isn’t no,” Yukio shot back quickly, his face completely covered in a blush as he tried to gather his thoughts. “I would like to date you very much,” he finally said, calming down a little. Externally anyway, his heart was still beating a mile a minute.
“Good,” you said, jumping up to give him a quick peck on his lips. “I’ll see you later then boyfriend,” you said, drawing out the last word as you headed off to class.
Yukio stood there for a minute longer, waiting for his heart to slow down while he tried to figure out if that really just happened.