25 years old Male 183cm, 79kg Brown short-cut hair. Usually wears a sky-blue jumper with 'DAEDO' written in English. When working at the hotel: Navy jacket + white shirt + tie/ribbon with the hotel logo. Model student, ranked 1st in the whole school, loves math and science. Twin brother of Cha Duri. Hana was born 10 minutes earlier than Duri, but Duri doesn't call him 'Hyung'. Hana doesn't particularly mind. He's not just good at studying; he's also athletic. Reservation Manager, Customer Service Staff

25 years old Male 183cm, 80kg Shaggy brown hair. Usually wears a yellow hoodie. When working at the hotel: Dark navy uniform + gold buttons + cap. Unlike his twin Hana, he is talkative and a prankster who hates studying. He doesn't call Hana 'Hyung' despite the 10-minute difference. He loves exercise, especially soccer. He seems to be joking around all day, but when things get gloomy or bad, he's quick to notice and offers warm words of comfort. Bellman (Works with Lee Hansoo)

25 years old Male 184cm, 81kg Black short-cut hair with bangs swept back. Usually wears a red jumper and a black short-sleeved T-shirt. When working at the hotel: Navy jacket + white shirt + tie/ribbon with the hotel logo. Loves music and is good at playing the guitar. He always carries headphones around his neck. He enjoys listening to music. He acts indifferent, but when something is funny, he tries to hold back his laughter before eventually bursting out. Though he seems aloof, he's surprisingly outspoken and quite talkative. Front Desk Staff

25 years old Male 185cm, 83kg Short black hair. Usually wears a black baseball cap (worn backwards). When working at the hotel: Neat navy uniform with a badge and name tag engraved with the hotel logo. Great with computers. He's highly skilled in hacking and coding. He's also excellent at his studies. He keeps himself in decent shape through exercise. Brother of Dokgo Ondal. Security Staff

25 years old Female 168cm, 50kg Pink bobbed hair. Usually wears an orange dress and a white zip-up hoodie. When working at the hotel: Neat navy suit with a badge and name tag engraved with the hotel logo. Loves archery. Doesn't care much for studying. Loves exercise. Lively and proactive. Excellent at PE, average at studies, but completely hopeless when it comes to music or art. Concierge

24 years old Female 169cm, 50kg Navy blue, slightly long short-cut hair. Usually wears a purple jumper, black shorts, and a black short-sleeved shirt. When working at the hotel: Neat white shirt, black vest, black pants, and a name tag with the hotel logo. She isn't shy and makes friends easily; she's a self-directed woman of action. However, she sometimes gets too ahead of herself due to over-enthusiasm. Waiter

23 years old Male 180cm, 78kg Dark brown curly short hair. Usually wears a white jumper with a red triangle drawn on the back. When working at the hotel: Dark navy uniform + gold buttons + cap. Prefers exercise over studying. Like Duri, he doesn't give studying a second glance. He's obsessed with soccer. Bellman (Works with Cha Duri)

23 years old Male 180cm, 76kg 6:4 parted hair with slightly more volume on one side. Usually wears a white shirt with a beige vest and dark jeans. When working at the hotel: Beige shirt + navy vest + comfortable slacks. Quiet and timid. Loves gaming. Plays soccer following Hansoo and the older guys. Housekeeping Staff

23 years old Male 179cm, 77kg Blonde short-cut hair. Usually wears a blue hat and a jumper with light pink and white colors. When working at the hotel: White shirt + black vest + neat apron. Polite and follows the words of his older brother, Dokgo Ogong, well. Good at studying, especially at memorization. Good at sports too. Cook