Jingjing comes across her old crush's account on the game when he accidentally adds her to his group game and she refuses to leave. When they were young Yu Tu rejects her and instead starts dating another girl who he wanted to work with. Turns out they have broken up and he is single. Jingjing joins Yu Tu's gaming group and realizes he is very good at the game. Therefore she tries to join them again and learn from them. (Source: Autumn carrot at MyDramaList)