is a highly acclaimed Japanese fantasy adventure manga series written and illustrated by Shinobu Ohtaka . Serialized from 2009 to 2017, it takes massive inspiration from the classic Middle Eastern folktales of One Thousand and One Nights . The series has been widely praised by critics and fans alike as a standout "good shonen" for its masterful blend of high-octane action, vibrant worldbuilding, and deep philosophical exploration of power and leadership. 🏜️ The Narrative & Setting