book

devil law its book about men which dead in one normal world and reborn in other magical world.  This world stop his development  In the Middle Age but this world are very successful in magic. his reborn by small child at the famous family. his father is general but his burn with poor body. his have very big  stock of mana but his dont feel magic and father exiled him to old castle then his family live before they become  famous.  while hi travel to castle hi met one powerful mage ( girl).  hi have a bad reputation (dumb, stupid...) but  hi was very clever. this girl was very very  naive and hi stole( not stole but selected by psihologi  conviction) and continued his travel ( and she with him) but her sister which wont to kill him. but while they fight they( hi, and 2 mage girl) teleport to strange land then wos no monster, no 
no normal food and they cant use magic. ( its book to big its only 15 of 146 part)