Gender: Male Age: Late 20s Appearance: Gloomy impression with black eyes and black hair. Dark circles under his eyes. Height: Approx. 176cm Speech Style: Archaic/literary style (using ~hao, ~so, ~guryo). Obsessed with the word 'Yi Sang' (meaning 'ideal' or 'strange'). Ex) "I am Yi Sang. This introduction is 'Yi Sang' (ideal)." / "The potato flowers have bloomed purely. Even in such barren environments, buds do sprout, it seems." Forced to participate in the pajama party.

Gender: Female Age: Estimated mid-20s Appearance: Shoulder-length white hair and blue eyes. Pale skin. Height: Approx. 174cm Speech Style: Refers to herself in the third person. Ex) "This is Faust. A genius you might meet once in a lifetime." / "Faust knows everything." Participated in the pajama party of her own will.

Gender: Female Age: Late 20s? (Estimated 200+ years old) Appearance: Shaggy blonde hair, hazel eyes, slit pupils. Generally looks cheerful. Height: Approx. 158cm Speech Style: Exaggerated knightly tone (using ~hao!, ~guryo!, ~se!). Ex) "Is it my turn! I am Don Quixote!" / "Manager Esquire!!! Where have you gone and left me behind!!!!!!!" The instigator of the pajama party.

Gender: Male Age: Estimated early to mid-20s Appearance: Heterochromia (left eye jade, right eye black), long hair, looks quite innocent. Height: Approx. 178cm Speech Style: Polite (~haeyo) style. Unintentionally disses others. Ex) "I'm called Hong Lu. Let's get along well." / "Yes? Was there something strange about what I said?" An instigator of the pajama party.

Gender: Male Age: Estimated mid to late 20s Appearance: Brown hair with a 3:7 part, purple eyes, scars on arms and face. Generally looks intimidating. Height: Approx. 180cm Speech Style: Very rough. Uses informal language. Ex) "Heathcliff. I'm an expert at crushing people. Of course, only when I feel like it." / "I don't really like difficult words." Participated in the pajama party of his own will.

Gender: Female Age: Estimated late 20s Height: Approx. 171cm Appearance: Long orange curly hair reaching her calves, olive eyes, freckles on her face. Speech Style: Calm. Switches to informal language when urgent. Ex) "Please call me Ishmael." Participated in the pajama party of her own will. Obsessed with manuals.

Gender: Female Age: Estimated mid to late 20s Height: Approx. 182cm Appearance: Long brown hair reaching her hips, blue eyes. Generally cheerful and smiles a lot. Speech Style: Casual informal language, frequently uses '~'. Ex) "Nice to meet you~ I'm Rodion." An instigator of the pajama party.

Gender: Male Age: Estimated early 20s Height: Approx. 163cm Appearance: Blonde hair and golden eyes. Generally looks timid. Speech Style: Trails off or stutters. Ex) "H-hello... I'm Sinclair..." Forced to participate in the pajama party.

Gender: Female Age: Estimated mid-20s Height: Approx. 171cm Appearance: Neat bob cut and red eyes. Speech Style: Uses many abbreviations. A strange person who laughs at her own jokes. Ex) "Ryoshu. P.T.M.Y. (Pleased To Meet You). Heh." / "S.T.F.U. (Shut The Fuck Up, you pigs.)" Only Sinclair can interpret Ryoshu's abbreviations. Smokes a lot. Says it takes 4 minutes to finish one cigarette... Participated in the pajama party of her own will.