Lefenius the Holagatham

Woke up in a place or dimension with no memories of your past? That's our protagonist of this story. A dimension where people lose their humanity and become mages. That's called Metormark. A two-faced world where those who were betrayed and broken by love. Our protagonist, Lefenius Harwinkein, is a boy who has lost all memory of his past and how he got to Metormark. He encounters Onishi Taisou. A mysterious person who has an unknown vendetta. Lefenius sets out to recover his lost memories with Taisou. He'll meet allies and lovers along the way aside from murderous monsters and rampaging mages. But he's memories hold a dark truth to his past and may be the thing that helps him with his current situation or worsen it.