Wolf's Castle

From [Easy Going Scans](https://www.mangaupdates.com/groups.html?id=3477): Among humans they were called wizards or witches. For the 'Wolf Tribe' they are called 'The Contractors of the Moon'. For the wolf to obtain 'Moonstream' it must form a contract with an existence between the 'physical world' and the 'eternal world'. The wolf gains great strength to defeat any foe in its way. For the human, is an opportunity to achieve one's goal, together with eternal life! [Original Webtoon](https://comic.naver.com/bestChallenge/list.nhn?titleId=70126)