Mumei

Mumei (ムメイ) was a character appearing in the mobile game, That Time I Got Reincarnated as a Slime: Isekai Memories. He was born in the Loup Loupe based on Hakurou. After the Mad City dissipated, he went back to Loup Loupe’s cycle of death and rebirth.

Appearance
Mumei looks identical to Hakurou before he evolved into a Kijin, with the exception of his black hair, dark red horns and different clothing.