The Demon King's Little Kitten

Abandoned by the Heavenly Realm, a tiny spirit cat wanders into the Demon Realm, only to discover she can purify deadly demonic energy. Captivated by her gentle magic, the ruthless Demon Lord vows to protect her at all costs. But as heavenly bias sparks conflict and an ancient beast threatens to destroy all realms, her hidden power awakens. Can her pure light heal his bloodstained heart and save their world before chaos tears them apart?