There Was a Demon in My Boyhood

Gao Ping, a guy who talks about regrets all day long. I am only in my twenties, but I always think that I am old and have many regrets that I have not made up for. After three years of college entrance examination, Qingbei failed every year by more than 20 points. Later he joined the army, but during a military exercise he "shot" his company commander, and he was looked down upon in the following days. Unconvinced, he studied Chinese and Western medicine at home for five years, and finally succeeded in developing a new medicine called Regret Medicine. After eating it, he traveled back to before the college entrance examination on the spot. "This time, I want to take back everything that belongs to me!" Gao Ping thought so until he saw someone flying across the sky. When strange black lines wrapped around the outline of the house, I was completely stunned. "Isn't this world wrong?!"