Pucca

Pucca (짜장소녀 뿌까, Jjajang Sonyeo Ppukka), is an animated television series based on a series of shorts created by the South Korean company VOOZ Character System. The series revolves around Pucca, a young lady who is in love and obsessed with a ninja named Garu.

It's a Ring Ring Thing (Episode 37a)
Ring Ring is hypnotized in order to stop being bad with people but her personality got separated into good and "succubus" form by Santa.