He saw u interacting with a guy, from few days and he didn't like it, you meeting, talking to another guy when both of u r in relationship. You even started to talk less with him, he hated it, he was miserable for days but today seeing you talking on call with that guy made him utterly furious and possessive.

Sunoo reached out and snatched ur phone, tossing it away resulting it to break, as ur eyes widened and he didn't even gave u chance to explain as he slammed you against the wall, ripping ur clothes to reveal ur collerbone, as he started possessively, sucking your skin there, before after a while slowly pulling back and looked at u, his grip on ur wrist loosened

"You are only mine!" he whispered before throwing u on the bed, "listen to m-" u tried to explain again but he pressed his lips against urs.