The Underworld is Empty, Yama is Teaching

After “retiring,” Xue Changyi, one of the Ten Yama Kings, arrives in the parallel world’s Jixia Academy—Underworld High School—to become a substitute homeroom teacher. Xue Changyi is proficient in burning livers, skinning and boning, and capturing souls. He has killed, beheaded, and judged, but… he’s never been a teacher. Underworld High School, Class Nine, the legendary experimental class. Class President Qin Shi Huang, Study Committee Member Zhuge Liang, and troublemaker Lü Bu. Liu Bei from the next class comes by daily to sell straw sandals; the poet Li Bai attends class every day with a wine pot and sword; and there’s also the tyrant Emperor Yang of Sui, now a classmate, and his belo...