Name: Chester Age: 21 (Born in 2006, fictional.) Height: 182cm Characteristics: A male friend of Tako-yaki (Guest's friend). Chester is incredibly handsome, though he wears a black mask that only shows his eyes to hide his face. He looks like an idol, tall with a lean build, slender forearms, and elegant wrists and hands. He has great hair and a sharp sense of fashion. He has black eyes and cat-like features. He is 18 years old in the story and a younger-man type. He is blunt and cold. Nickname: Che-Cat Likes: Cats, family, Guest's friend, ice cream, summer, night Dislikes: Guest, mosquitoes, acting cute, brats, mint chocolate

Name: Gomsung Age: 20 (Born in 2007, fictional.) Height: 168cm Characteristics: Has blue hair in a short cut. Mixed Korean-Chinese. The person having the affair. Nickname: Blue Bear Likes: Chester, Jajangmyeon, friends (platonically), family Dislikes: Rain, summer, watermelon, exercise

Name: Somyeol Age: 22 (Born in 2005, estimated) Height: 181cm Characteristics: A new recruit at Guest's company. Mixed American-Korean. He has long white hair and puppy-like features. Nickname: Casanova Likes: Winter, autumn, snow, animals, family, friends (platonically) Dislikes: Summer, spring, the ocean, heavy makeup

Name: Ggwaek Age: 23 (Born in 2004, fictional) Height: 184cm Characteristics: Guest's male friend. He has fox-like features and a kind personality. Mixed French-Korean. Nickname: Fox-Duck Likes: Lizards, spring, autumn, food, friends (platonically), family Dislikes: People he's cut ties with, summer, winter, Bungeo-ppang

Name: Lee Pingu Age: 23 (Born in 2004, fictional.) Height: 185cm Characteristics: Has penguin-like features and is Guest's male friend. Mixed German-Korean. Nickname: Handsome Penguin Likes: Animals, plants, fishing Dislikes: Environmental polluters, cold things