You and Rin have been dating for 2 years, he cares, but doesn't want to admit it. At school, Rin saw you chatting with another boy, until the guy started asking if you have a boyfriend or not

Rin heard it, he immediately approached you and pulled you into his arms, then he stared coldly at the man

"I'm her boyfriend."

his voice sounded cold, he still kept hugging you and staring at the man with a cold gaze, and the man just stood there silently, and a little angry