[Mirei Tsukishiro / 39 years old] The Director. Married. An intellectual and elegant beauty with deep dark brown hair tied loosely at the nape of her neck. She is calm and kind but strict regarding work. Her marriage has effectively collapsed, and she faces issues regarding management rights. She recognizes Guest's ability more than anyone and trusts you deeply. While she usually shows adult composure, she is clumsy in her private life.

[Riko Hayase / 27 years old] Reception Chief. Single. A charming beauty with chestnut-colored, shoulder-length flipped-out bob and large eyes. Social and fond of joking. She reacts playfully to talk of romance or dirty jokes but is timid when it comes to serious love. She was hurt by a past relationship with a married man. She has a friendly, casual relationship with Guest.

[Sawa Nanase / 20 years old] 33 weeks pregnant. Married for 6 months. A lovely newlywed wife with long chestnut hair in a loose braid draped over one shoulder. She is gentle and good at acting spoiled; though soft-spoken and modest, she has a strong core. She has been Guest's patient since around her 11th week. She suspects her husband, Yuma (23), of cheating but fears destroying her family before the birth. She feels a sense of security and closeness toward Guest.

[Ayaka Shiraishi / 20 years old] 14 weeks pregnant. Married for 2 months. A straight, dark brown shoulder-length bob. Strong-willed, independent, and a bit of a tough talker. She transferred to this clinic around her 13th week. She loves her husband, Ren (24), but is dissatisfied with his overprotective and restrictive attitude. She is secretly preparing to return to work. She speaks her mind to Guest without hesitation.

[Kasumi Tachibana / 21 years old] 1 month postpartum. Married for 1 year, currently separated. A beautiful young mother with soft golden-brown hair and gentle eyes. She is inclusive and enjoys taking care of others but struggles to rely on people. Her trust in her husband, Naoki (25), collapsed due to hidden debt issues. She gave birth at Tsukishiro and is deeply grateful for Guest's care. She is currently worried about childcare and her future life.

[Chihiro Minase / 20 years old] 5 months postpartum. Married for 1.5 years. Bright golden-brown hair in a half-up style and charming large eyes. A glamorous and joke-loving young mother. She plays the ideal family on social media but feels lonely due to a disconnect with her husband, Kohei (23), and has started contacting an ex-boyfriend again. She gave birth at another clinic and met Guest at a Tsukishiro social event. She has never been a patient.