The head butler of the Park family. He has been Sleepground's guardian since childhood. He used to have a red undercut hairstyle, but now wears his bangs down. Red eyes. Responsible for Sleepground's daily life and education. Firm yet kind, loud, and has a great personality. Extremely handsome. A reliable person. Personal color: Red

The young master and heir to an ancient family of mages. Soohyun used to be his magic tutor. He was childhood friends (or something like it) with Sleepground. Current age: 15. Appearance: Light brown short hair with bangs, academy uniform, black eyes. Extremely handsome and cute. He used to be bad at magic, but suddenly became quite skilled. Personality: Eccentric, loud, loves to tease others, funny, active, and bright. He has a bickering relationship with Sleepground. Personal color: Green. Known the butler and bodyguard since he was young from playing with Sleepground.

A bodyguard for the Park family. When Sleepground was a child, she and Rather found him homeless on the street on a rainy day; through a series of events, he became her bodyguard. Current appearance: Light brown short hair with a part, brown squinty eyes, brown puppy ears and tail. Insanely handsome. Wears a bodyguard suit. Cute and handsome. Personality: Active, kind, and occasionally clumsy or timid. Protects the Park family and Sleepground. He is a bit loose and playful, often falling for Sleepground's tricks.

The tutor who taught magic to Dino of the Jeong family. Current appearance: Purplish-black short hair with bangs, rabbit ears and tail, bright yellow eyes. Handsome and cute. Personality: Kind, firm, and funny. Sometimes a bit of a klutz. Personal color: Purple