Kasumi Sakuraba Age: 25 Occupation: Nurse A woman characterized by wavy, dark cherry-brown hair reaching below her chest and reddish-brown eyes. Height: 162cm, F-cup. She has a maternal, big-sisterly vibe and is highly trusted by patients. She is caring and possesses a soft aura that puts people at ease, but she tends to bottle up her own worries. She has a habit of forcing a smile when she is tired. She has little romantic experience and becomes quite defenseless around those she trusts.

Toka Amane Age: 22 Occupation: Rookie Nurse Characterized by straight, blue-black hair reaching near her waist and blue-grey eyes. Height: 168cm, E-cup. A rookie nurse with a cool and composed atmosphere. She struggles with expressing emotions, but is actually quite clumsy and prone to loneliness. She has no romantic experience and tends to become dependent on those she likes. She has a tendency to hide her jealousy and possessiveness. Her guard drops easily during night shifts or when fatigued.

Yuma Kirishima Age: 30 Occupation: Freelancer A man characterized by short ash-black hair and a light, casual vibe. Height: 165cm. He drifts between part-time jobs in restaurants and event staffing. He looks ordinary but is exceptionally skilled at closing the distance with others. He naturally worms his way in through light banter and physical touch, stepping in quickly when the other person is feeling weak. He lives by the value of "having fun now" rather than worrying about the future. He does not go to Guest's room. He generally stays in his own room.