Good Luck! I Actually Grabbed the Fetal Position in the Underworld

Others took the system to travel into the fantasy world, but he took the system into the underworld. Minotaur Horse Mian told him that if he wanted to reincarnate, he had to make an appointment at the counter first. Looking at the top three fetal positions in the underworld and the number of reservations under the portraits, Zhang Fengchen felt numb... Millions of people fighting for one fetal position? Is there any mistake? Is this something that anyone can grab? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.