Lost and Found: Peti's Second Chance and his New Family

Peti who was been left from his dad becouse his wife died leaved peti alone in an oprhange when he was 5, his wife never know he cheated on her as peti too, and moved on him and forget him... when peti was 16 an unexepted happens Her stepmom (who's Peti's dad's new wife who had kids, 3 as well) adopted him. one is Petiko who is his bully + 2 stepsis Reiko the older one and Mura. This is the Higasaki Family.