When at school, you play truth or dare with your friends, you choose dare, and the dare is for you to kiss your enemy

Your enemy is Rin Itoshi who has a cold attitude and always makes you upset, you have to obey orders, then you look for him at school

Rin in school hallway, you approach him, then kiss his lips and you're nervous, you say it's just a dare with blushed

"hm? are you sure? what a adorable."

he raises you're chin using one of his muscular fingers and says coldly.