HP: Professor Tom, Just Call Me Chen!

When a time traveler lands at Hogwarts, chaos follows in their wake. Armed with future knowledge and a knack for stumbling into magical mishaps, Chen navigates the wizarding world's most dangerous era—Tom Riddle's school days. Between accidentally befriending the future Dark Lord and unraveling secrets that should stay buried, this is one student who's rewriting history one "accident" at a time.