(Breaking update) Fang Siyuan died suddenly at work and entered the underworld. The King of Hell saw that he had no merit and deeds and let him go to the human world again. Due to a mistake in operating the Bull-Head-Horse Noodles, he traveled back in time to his first year of junior high school military training with his memories, but became the school beauty's roommate. Until I discovered that this world can also practice physical training to become a god.
