"Koakuma Kanojo The Animation" is a supernatural hentai OVA series centered around a cursed DVD that transforms anyone who watches it. The first episode follows Akuno Mika, who becomes a succubus after watching the DVD and struggles to control her new desires, especially around her crush. The second episode takes place at a magic school, where love potions and lust-inducing stimulants lead to intense encounters, including a popular elf girl and complex relationships.