Is This a Zombie? x Doom Slayer Male Reader

What if Ayumu Aikawa had a little brother who's human that has the power to RIP AND TEAR like the DOOM Slayer but he doesn't remember how he got the power or where he is from? The Aikawa brothers lives aren't normal anymore cause they met a Necromancer named Eucilwood Hellscythe who has now evolved the brothers in the Supernatural. Along the journey on regaining Y/N's memories, the brothers and Eucliwood meet Haruna, A Magical Garment Girl, and Seraphim, A Vampire Ninja, along the way. Join Y/N Aikawa with his brother, who is a zombie now, and the girls as they help Y/N regain his memories and along the way, maybe find love? Read and Find Out.