Mari Takahashi

Beryl Gardenant, a middle-aged swordsman running a dojo in the backwaters, lives a quiet life, until Allucia, former student and Commander of the Royal Order of Knights, appears! Beryl’s life is about to change dramatically! City life. Old students. New friends and formidable foes. It’s all too much. But after years of training, he has mad skills, and he’s been dubbed “the backwater swordmaster.”

Awakening from magical stasis after a thousand years, the Dark Lord Leonis suddenly finds himself in the body of a ten-year-old boy! He quickly meets Riselia, a girl confronting the Voids, creatures that have nearly exterminated humanity. Determined to uncover the mysteries of this strange new era, Leonis enrolls in Excalibur Academy, a school that trains students to fight back against these enigmatic monsters. Could the Voids hold some connection to Leonis's past?

Isekai'd into another world, Haruka makes use of seemingly underpowered skills to live as a lone wolf.