The X-Family Episode 16

It reveals that Xia Yu has always wishes that he would have powers of his own, because his parents always ignored him and paid more attention to Xia Tian and Xia Mei. A professor at Xia Yu's university gives Xia Yu a magical ring that bestows him magical powers. Xia Yu uses it to play tricks on people, and when its energy runs out, he seeks out to absorb the power of power-users.