He is an orphan. When he was 2 years old, he was picked up by a gang leader and brought to the team to train him for two years. A baby who was only 5 years old began to accept killing tasks!
He looks charming, but he is a man. He falls in love with his partner, quietly sacrifices everything for him, and avoids all dangers for him, but puts himself in danger.
Even though the wound hurt, there was never any pain visible on his face.