Dorokei Family

Overview

The legendary master thief is supposed to be a criminal of the century, but he turns into a child and becomes part of a police family?! Master Thief Lupin always manages to slip through the police's cordon and steal valuable jewels. It should have been easy as usual. However, that day, immediately after stealing the jewels, he was shot by someone, and when he came to, he had transformed into a child! And unfortunately, the family that took in the child Lupin was the very police family that had always been chasing him! He can't escape from this eccentric family, no matter how hard he tries! If his true identity is revealed, he'll be arrested immediately! A thrilling master thief action story begins! (Source: Shogakukan, translated)

Source: AniList