I'm A Middle Schooler Becoming The Demon Lord summary: You are reading I'm A Middle Schooler Becoming The Demon Lord manga, one of the most popular manga covering in Action, Comedy, Drama, Fantasy, School life, Slice of life genres, written by 38 at MangaBuddy, a top manga site to offering for free. I'm A Middle Schooler Becoming The Demon Lord has 44 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add I'm A Middle Schooler Becoming The Demon Lord to your bookmark. 15 year old demon prince, Myoung Seong Joon. To become the demon lord he has attended a middleschool in the human realm and started the maturity ritual.