Positive Energy System

Ji Chen'ai always wanted to be a good person until he became physically disabled due to an accident.When ignored by his parents, Ji Chen'ai smiled. When bullied by his brother from a young age, Ji Chen'ai also smiled. However, when he was pushed down the stairs in his wheelchair, he could no longer smile.But why at this moment did something suddenly appear to tell him that he must be a good person?!System: Our goal is—no! bad! guys!Note: The protagonist seriously darkens, transforming from a white bun to a black sesame glutinous rice ball.