Abandoned Bastard Of The Royal Family summary:

Schild was raised as an illegitimate child without knowing his father was a king, when he turned 13 his mother got married. Seen as a nuisance by the villagers because of his unknown father, he felt the need to leave for her sake. When he was about to depart he recieved a sword which was passed onto his mother from his real father. Using that sword he's gonna whack his father's head for leaving him and his mother to fend for themselves. With that thought in mind. He set on his journey...!