Fantasy Traveling Through the Underworld and Becoming the King of Hades

Dear passengers, this train G1414 is about to arrive at the terminal station, the underworld. Please put aside all your perceptions to avoid being surprised. Start with the strongest system. The dean of Xiuling Academy is my second uncle. Qin Shihuang is my class teacher. The son of Black and White Wuchang is my beloved brother. The ancient mythical beast is my girlfriend. Are you ready? A bloody, terrifying and hilarious legend is about to begin... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.