Just after transmigrating into the Harry Potter world, with no golden finger and no memories inherited from the original owner, Sherlock Forrest looked at the Hogwarts appointment letter in his hand and curled his lip.
"It's only a Defence Against the Dark Arts Professor position."
Several years later, the Daily Prophet interviewed Harry Potter, one of the Wizarding World's ten most outstanding figures of the twenty-first century.
"What was the happiest day of your life?"
An involuntary smile spread across Harry's face.
"The day after Professor Forrest cursed me, saying I'd be captured by the Dark Lord the next day."
"Uh... And what day would you least like to experience?"
Harry's expression immediately darkened.
"Christmas. Every year."
"Why is that?"
He covered his face in anguish, even choking back sobs.
"Wah... because that's the day Professor Forrest wishes me a merry Christmas!"
This book is also known as "Please, Professor Forrest, Just Shut Up!", "How Defeating the Dark Lord Only Takes a Certain Professor Opening His Mouth", and "I'm Just Scraping By at Hogwarts So I Can Live a Healthy, Happy Life"
P.S. No System.
P.P.S. The main story begins with the Chamber of Secrets arc.
P.P.P.S. This is a serious, respectable professor story (probably