I actually have some of this, despite not being a fan of historical fiction, because the first volume cover was pretty. Almost certain I’ve read some of the manga at one point, before forgetting all about it.

They now have Orphen and Slayers, Louie is one of the old ones missing. I'm waiting for a translation of the light novel since I saw the anime, so around 20 years ago.

The series is completed at 8 volumes.

V8 Cover

As a fan of the songs, I would gladly read this series.

What, what, what, whaaaaat! Why have I never heard of this before? Sounds hilarious. I'm game.

@Terabyte Thanks! is that a little better?

Japanese title: 最凶の魔王に鍛えられた勇者、異世界帰還者たちの学園で無双する
Publisher’s official English title: A Hero, Trained by the Most Evil Demon King, Fights in a School for Those Who Have Returned from Another World
Publisher page: https://firecross.jp/hjbunko/series/438
BookWalker page: https://bookwalker.jp/series/321839

Volume 1 cover:
Volume 1 cover

Small update: The manga is ending.

The LN is still stalled at three volumes since 2019, so it looks like it’s dried up.

@c933103 They do have shounen titles so there’d be some hope but Cross Infinite World is the only publisher that licenses unpublished series.

You can see what has been licensed so far here.

Good that someone opened a suggestion thread for the Kirby Novel series.

This is getting an anime, so maybe...