Saikyou Onmyouji no Isekai Tenseiki: Geboku no Youkai-domo ni Kurabete Monster ga Yowasugirun da ga

Haruyoshi Kuga, once the top exorcist, faces a shocking betrayal from someone he trusted deeply. As he takes his last breath, he unleashes a hidden Spell of Reincarnation. When he wakes up, he finds himself in a completely new world, reborn as Seika Lamprogue, the son of a family dedicated to the study of magic! However, he quickly discovers that the magic here is nothing like what he was familiar with, and he can't tap into it at all. Luckily, Seika has his expertise in curses and a whole army of youkai at his command, so he doesn't really need traditional magic. Determined to avoid the mistakes of his previous life, Seika plans to keep a low profile and not show off his abilities. But as he tries to navigate this new life, he realizes that staying under the radar is a lot harder than he thought. With challenges around every corner, will his unique powers help him carve out a happy existence in this unfamiliar world? The journey ahead is filled with twists, and Seika is ready to face whatever comes his way!