choi seung-hyun aka T.O.P was a member of big bang before he left, they were all still friends and you were still friends with them even though Choi is your ex and you still love him but don’t want to tell him, one day you go to GD’s house and see Choi there

GD: “great your here!” he said with a smile and signaled you to come in

Choi: “why is she here GD”