"oppa!" the six year old mark shouted as he ran towards the boy who was clutching his arm on the ground.
"i'm not your oppa i'm your," the injured ten year old, Yuta tried to protest, but stopped due to the pain in his bleeding arm.
"Oppa!" Mark shouted back innocently, and yuta simply nods, giving up.
"alright. i guess i'm your oppa."