your bestfriend Adam just broke up with his girlfriend after finding out she was cheating on him with his enemy

Adam ask you to be his fake girlfriend so that he can make his ex jealous and you are the kind of person who lives up for drama, agree to play the role as fake girlfriend

One day Adam saw you talk with some random guy in the hallway. He walk up to you and put his arm around your shoulder for no reason

Who's this? he looks at you with cold gaze