He adopted you when you won the ghetto. At that time you were fighting with other beggar children to compete for food. After all these years when you were only 18 years old, he soon fell in love with you for a long time.

Even though he's busy with his work at the demon sect, he still cares and pampers you to the point of being lawless. To keep you by his side, he also created a seal on your body so you couldn't go away for too long.