Traveling Across Thousands of Worlds, I Became a Face-Slapping Maniac

System + parallel world + infinite time travel + daily life + academic master After the sudden death of college student Xu Zhihao, he accidentally obtained the Wanjie Travel System. From then on, he embarked on the path of pretending to be a slap in the face and a loser's counterattack! "System, where should we travel next time?" "Are you addicted to time travel? Next time I'll take you to play in the world of immortality!" "Let's go! I can't wait to get slapped in the face!" The story begins with a slap in the face to a high school math teacher...