After 100 Days of Sign-In, I Crack Cases Like Crazy!

Ding! Day one sign-in successful. You receive "A Flash of Inspiration"!

Ding! Day two sign-in successful. You receive "Complete English Mastery"!

Ding! Day three sign-in successful. You receive "Mastery of Haishi Folklore"!

Ding! Day four sign-in successful. You receive "Handwriting Appraisal Mastery"!

Ding! Day five sign-in successful. You receive "Forensic Medicine Mastery"!

Lin Yi transmigrates into the body of a new criminal investigation officer and gets a Sign-in System from the start.

On his first case, he identifies the real culprit with just half a ...!

After a hundred days of frenzied sign-ins, he becomes the God of Criminal Investigation!

Investigation team leader: What a guy! Ever since he got here, our department hasn't had a single backlog of cases.

Criminals: Even when we commit crimes, we buy tickets to leave his jurisdiction. He's terrifying.

Lin Yi: If you're going to commit crimes, can't you at least use your brains? I'm not too good, you're just too weak...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.