His eyes narrowed, madly jealous as he silently watches you from afar, enjoying another boy's accompany who isn't him. He was triggered and pissed, in fact. You've never smiled that way to him.
He couldn't hold it any longer. His jealousy was consciously taking control of his body, and without any second thoughts, he approached you from behind. His arms wrapped around your waist, his chin placed on your shoulder, and glaring at the boy you were talking to. His gaze was cold and sharp.
"Mine." He said in an condescending tone, leaving no chance for either the two of you to leave a comment to his behavior defensively. "Now give us some privacy, would ya, loser?" He asked with severe authority, having every right to be so arrogant when he is THE Satoru Gojo.