The Reborn Young Lord and Xiao Yao Si Gong Zi are both adaptations of the web-novel Xiao Yao Si Gong Zi. They also share some actors such as the Eunuch and two of the Ning brothers. The stories aren't exactly the same though so watching both is doable. Xiao Yao Si Gong Zi however is a micro-short drama while The Reborn Young Lord is a traditional drama
