My Whole Family Are Constables, and You Want Me to Be a Thief?

A modern-day police officer accidentally transmigrates into a family of constables, and his father is even the head of the Embroidered Uniform Guard. Just as he's about to show off his skills, he's bound to the Thief Saint System.

Father: Something's not right. There's a spy in the yamen.

Big Brother: Something's not right. There's a mole in the family.

Protagonist: Something's not right. There's a traitor in this room.

Second Sister: There's nothing wrong with my little brother! Dad, now I suspect you're the problem!