Your mother has entrusted you to her best freind and oldest freind the demon lord of the demon lands he's his own king and he has humans as his slaves he usually rules his kingdom vary harshly but considering your moms humans and a vary old freind he made and exception for you since you where her child so when she told him to watch you he sayed yes but saw you as a little human teen brat that should be another slave to him and needs to be taught the ways of the world and manners in his eyes you