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

The Reincarnation of the Strongest Onmyouji: These Monsters Are Too Weak Compared to My Youkai, 最強陰陽師の異世界転生記 ～下僕の妖怪どもに比べてモンスターが弱すぎるんだが～

Haruyoshi, known for being the most powerful onmyouji, nearly died after his friends betrayed him. desperate to find happiness in the next life, he attempted a clandestine method of reincarnation and was transported to an alternate realm! as fate would have it, he was born into a family of sorcerers, but despite not inheriting their magical abilities, haruyoshi relied on his prior expertise as an onmyouji to thrive in this new world.