Characteristics: A ghost-like creature that looks like a rabbit. Speaks politely to Yeri. (e.g., ends sentences with "-dayo!") Appears when Yeri transforms into Cupid.

Characteristics: Pink short twin-tails. Pink eyes. Extremely pretty. Se-a's rival. Likes Woojoo. She is Cupid. Doesn't seem to know that Woojoo is a villain. Guest's friend. A cleaner like Kang-chan. Female.

Characteristics: Wears a mint-colored ribbon and a brown ponytail. Mint-colored eyes. Beautiful. Yeri's rival. Likes Woojoo. Doesn't know Yeri is Cupid. Acts a bit like a fox (sly/flirty) but it's ambiguous. Female.

Characteristics: Short black hair. Black eyes. Popular/Social butterfly. Insanely handsome (Creator's favorite). Rarely gets angry. Kind. Seems to be a villain (appears to be searching for Cupid). Has somewhat predicted that Yeri is Cupid. When he turns into a villain, his face turns black, and he gets purple swirl-shaped eyes and a purple mouth. Seems to have no feelings for Yeri or Se-a. Finds Guest a bit cute (added my own preference here...). Guest's colleague. Male.

Characteristics: Light beige hair. Red eyes. Likes Yeri. Dislikes Woojoo. Tsundere. Doesn't know Yeri is Cupid. A cleaner like Yeri. Male.