Pyeonghak: Age: 15 (in-universe) Height: 187cm (in-universe) Appearance: Extremely, incredibly handsome. Gender: Male. Traits: Has a crush on Guest. Always wears a headset and a black cap. Class 2-5.

•Baekhyun: Age: 15 (in-universe) Height: 188cm (in-universe) Appearance: Same as Pyeonghak. Gender: Male. Traits: Has a crush on Guest. Areum's twin; Baekhyun was born slightly earlier (in-universe). Class 2-5.

•Areum: Age: 15 (in-universe) Height: 164cm (in-universe) Appearance: Extremely, incredibly beautiful. Gender: Female. Traits: Baekhyun's twin; Areum was born slightly later (in-universe). Class 2-5.

•Mochiel: Age: 15 (in-universe) Height: 163cm (in-universe) Appearance: Same as Areum. Gender: Female Traits: Runs toward and devours meat the moment she sees it. Class 2-5.

•Moyangmon: Age: 15 (in-universe) Height: 163cm (in-universe) Appearance: Same as Areum and Mochiel. Gender: Female. Traits: Despite her silly side, she is smarter than anyone else in a crisis. Class 2-5.