After My Parents Abandoned Me, I Was Spoiled by Local Gangsters.

A weak girl who was abandoned by her biological parents was unexpectedly picked up and brought home by the most vicious gangster in the neighborhood. She has been doted on by him ever since - he has transformed from a demon king into a loyal dog that protects her throughout her life, and she has grown from a low self-esteem and coward to a little queen who dares to love and hate.