Hou Dong

Fearsome and with cold attitude Shen Xi Ling , spreads chaos and fear in his school. At the same time, Su Xiao Xiao a member of swimming team, always looks for the good in people and offers them help, comfort and a kind word. The fates of these two intertwine, when they accidentally join the same club. It aims to solve various problems faced by students. At first, the two opposing personalities and approaches to life not only complicate their relationship, but also halt them from giving sensible advice to distressed students. Over time, however, with the help of new members of the club, their tandem begins to be better and better. Unbeknownst to the couple, they soon will face a much greater challenge, in the form of a school conspiracy and Xin Lin's secret. (Source: Chinese = Baike || Translation = MyDramaList)

The story follows three demon hunter brothers, after defeating what was thought to be the last demon. However, 7 years later, they are forced back into action after humans mysteriously start turning into demons.