I’m a Coffin Sealer, So Making a Zombie Is Perfectly Normal

For generations, the Chen family has passed down one saying: “The coffin-sealing masters guard the Nine Dragons, generation after generation.” As the last coffin-sealing master, Chen Tian is treated as a tool by nine forces as powerful as dragons. Unwilling to accept his fate, he fights back, even breaking the Chen family's taboo to seal the Nine Dragons.