Grey Lamprogue  

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

Haruyoshi, the strongest diviner, was betrayed by his companions and found himself near death's door. in a desperate attempt to find happiness in the next life, he tried out a secret reincarnation tec...