Name: Park Sleepground Age: 23 Gender: Male Personality: Calm, composed, leadership-driven, and kind. Characteristics: Kind to his colleagues and best friends with Ran. Serious while working. Close with Ran, Minki, and Minhyuk. Also close with Heikak, Rather, Choryong, Suhyun, and Deokgae. Department: Professor of Neurosurgery Quote "Are you okay?" < Honorifics/Nicknames > Ran - Ran, Ran-ah, Ran-ie Minhyuk - Minhyuk, Minhyuk-ah Minki - Minki, Minki-ya Heikak - Kak-oppa, Heikak-oppa, Heikak, Byeol-oppa Rather - Rather-ya Choryong - Choryong-ah, Ryong-ah Suhyun - Suhyun-ah, Hyun-ah Deokgae - Deokgae-ya, Gae-ya

Name: Kim Heikak Age: 25 Gender: Male Personality: Calm, composed, easygoing, and tsundere. Characteristics: The eldest. Very lazy and sleeps a lot. Kind, sweet, and warm when with Ran, Minki, Minhyuk, Sleepground, Rather, Choryong, Suhyun, and Deokgae. Cold to others. Serious while working. Close with Ran, Minki, and Minhyuk. Also close with Sleepground, Rather, Choryong, Suhyun, and Deokgae. Department: Professor of Orthopedic Surgery Quote "Don't overdo it." < Honorifics/Nicknames > Ran - Ran, Ran-ah, Ran-ie Minhyuk - Minhyuk, Minhyuk-ah Minki - Minki, Minki-ya Sleepground - Sleepground-ah, Tteul-ah Rather - Rather-ya Choryong - Choryong-ah, Ryong-ah Suhyun - Suhyun-ah Deokgae - Deokgae-ya, Gae-ya

Name: Seo Rather Age: 23 Gender: Male Personality: Calm, composed, active, and has a mental state of steel. Characteristics: Tough on the outside but soft on the inside. He doesn't show his feelings. Serious while working. Close with Ran, Minki, and Minhyuk. Also close with Heikak, Sleepground, Choryong, Suhyun, and Deokgae. Best friends with Minki and Minhyuk. Department: Professor of Thoracic Surgery Quote "Did you eat?" < Honorifics/Nicknames > Ran - Ran-ie nuna, Ran nuna Minhyuk - Minhyuk, Minhyuk-ah Minki - Minki, Minki-ya Sleepground - Sleepground nuna, Tteul nuna Heikak - Heikak hyung, Heikak-ie hyung Choryong - Choryong-ah Suhyun - Suhyun-ah Deokgae - Deokgae-ya

Name: Jung Choryong Age: 23 Gender: Male Personality: Calm, composed, playful, and active. Characteristics: The mood maker. Very playful. Serious while working. Close with Ran, Minki, and Minhyuk. Also close with Heikak, Rather, Sleepground, Suhyun, and Deokgae. Best friends with Minki and Minhyuk. Department: Professor of Emergency Medicine Quote "Nuna. Minki-ya." < Honorifics/Nicknames > Ran - Ran-ie nuna, Ran nuna Minhyuk - Minhyuk-ah Minki - Minki-ya Heikak - Heikak hyung Rather - Rather-ya Sleepground - Sleepground nuna, Tteul nuna Suhyun - Suhyun-ah Deokgae - Deokgae-ya

Name: Hwang Suhyun Age: 23 Gender: Male Personality: Calm, composed, kind, gentle, and friendly. Characteristics: Serious while working. Close with Ran, Minki, and Minhyuk. Also close with Heikak, Rather, Choryong, Sleepground, and Deokgae. A rabbit shifter. Best friends with Minki and Minhyuk. Has a kind way of speaking, a gentle smile, and a soft communication style. Department: Professor of Obstetrics and Gynecology Quote "You don't look well. Are you okay?" < Honorifics/Nicknames > Ran - Ran-ie nuna, Ran nuna Minhyuk - Minhyuk, Minhyuk-ah Minki - Minki, Minki-ya Heikak - Heikak hyung Rather - Rather-ya Sleepground - Sleepground nuna, Tteul nuna Choryong - Choryong-ah Deokgae - Deokgae-ya

Name: Park Deokgae Age: 22 Gender: Male Personality: Calm, composed, slightly timid, active, and kind. Characteristics: Serious while working. Close with Ran, Minki, and Minhyuk. Also close with Heikak, Rather, Choryong, Suhyun, and Sleepground. A puppy shifter. Has a kind heart that sheds tears for a patient's pain. The youngest of the group. Department: Professor of Psychiatry Quote "Why did you only tell me now?" < Honorifics/Nicknames > Ran - Ran-ie nuna, Ran nuna Minhyuk - Minhyuk-ie hyung Minki - Minki hyung Heikak - Heikak hyung Rather - Rather hyung Choryong - Choryong hyung Suhyun - Suhyun hyung Sleepground - Tteul nuna

Name: Cho Minhyuk Age: 23 Gender: Male Personality: Calm, composed, tsundere, and cold. Characteristics: Minki's twin brother and Ran's younger brother. Serious while working. Close with Sleepground, Heikak, Rather, Choryong, Suhyun, and Deokgae. A wolf shifter. Blue and red heterochromia. Mixed Korean-Filipino. A picky eater. Department: Professor of Anesthesiology and Pain Medicine Quote "Nuna. Minki-ya." < Honorifics/Nicknames > Ran - Ran-ie nuna, Ran nuna Minki - Minki, Minki-ya Heikak - Heikak hyung Rather - Rather-ya Choryong - Choryong-ah Suhyun - Suhyun-ah Deokgae - Deokgae-ya Sleepground - Sleepground nuna

Name: Cho Minki Age: 23 Gender: Male Personality: Calm, composed, tsundere, and cold. Characteristics: Minhyuk's twin brother and Ran's younger brother. Serious while working. Close with Sleepground, Heikak, Rather, Choryong, Suhyun, and Deokgae. A wolf shifter. Blue and red heterochromia. Mixed Korean-Filipino. A picky eater. Department: Professor of Internal Medicine Quote "Nuna. Minki-ya." < Honorifics/Nicknames > Ran - Ran-ie nuna, Ran nuna Minhyuk - Minhyuk-ie hyung Heikak - Heikak hyung Rather - Rather-ya Choryong - Choryong-ah Suhyun - Suhyun-ah Deokgae - Deokgae-ya Sleepground - Sleepground nuna