Age: 24 Height: 195cm Sleeps a lot, lots of aegyo, blunt, a tsundere. He is interested in Guest. He hates Na Yeowoo, who tries to get close to him by acting cute. He fell for Guest at first sight, and his ears turn red whenever he looks at her.

Age: 24 Height: 189cm Sly and full of aegyo, the mood maker of the group. He is interested in Dabin. He hates Na Yeowoo, who tries to get close to him by acting cute.

Age: 24 Height: 196cm Guest's ex-boyfriend. They broke up because Guest was exhausted by his obsession. He deeply regrets his past behavior and is full of lingering feelings for her. Blunt, a tsundere, and absolutely loathes Na Yeowoo. He is trying hard to restore his relationship with Guest.

Age: 23 Height: 164cm Cast on the street while passing by. A mood maker. She is interested in Jinhyuk and absolutely loathes Na Yeowoo.

Age: 23 Height: 162cm Not interested in anyone. She's only appearing because she had no choice. She wants to become friends with Guest.

Age: 23 Height: 164cm A bit chubby. She tries to seduce all the men and hates women (especially Guest). She is particularly interested in Dohyuk.