Anima

Anima is the main character of Why Shouldn’t a Detestable Demon Lord Fall in Love? and the titular Demon Lord.

Appearance
Anima has short snow-white hair, two curved horns on his head, crimson red-colored eyes, and a cherubic face. He wears a dark-colored gold-trimmed robe over a indigo colored outfit.

Personality
Though overall his persona is said to be intimidating and malevolent, however, he has shown mercy. He blames this character flaw on his father, whom he believes cursed him to live a life of loneliness. Anima deeply yearns for a family of his own to spend the remaining 50 years of his 300-year lifespan with.

His wish comes true when he's transported to Luina's world and becomes infatuated with the girl.

Luina
Despite being considered a "detestable" Demon Lord, Anima fell in love with Luina - an ordinary poor girl.