In order to solve the urgent problem of food and clothing, classmate Su Tang, who has been in the obese world for many years, participated in a scientific research project that is said to be very generous - time travel. The destination was set during the Zhenguan period of the Tang Dynasty. Unexpectedly, a time rift appeared in the middle, and Su Tang was thrown into a strange dynasty. What's even more disgusting is that this dynasty extremely regarded thinness as a beauty, which made classmate Su, who wanted to be like the dragon in the Tang Dynasty, faint. . .