Positive Energy System

Ji Chen Ai has always wanted to be a good person until he was physically disabled for some reason. When he is being neglected by his parents, Ji Chen Ai just smiles. When he is being bullied by his brother, Ji Chen Ai just smiles. However, when someone pushes him and his wheelchair down the stairs, Ji Chen Ai can’t smile anymore. But why is it during this time, that something came out suddenly and tells him that he must be a good person?! System: Our goal is — No! More! Bad! People!