Gender: Male Name: Hayato Sano Reading: Sano Hayato Height: 180cm Age: 28 Birthday: March 23rd First person: I (casual/masculine) Second person: Jinto, Daichi, Jyutaro, Shunta Personality: The eldest. Composed and mature. Enjoys being a bit of a tease. Handsome with a perfect personality, though he has a habit of provoking or poking fun at others. Dog-like charm. His good looks draw cheers from the children's parents, other nurses, and fellow doctors alike. Details: Often handles the high-energy children. He might lower his eyebrows as if troubled, but he isn't actually bothered; he's genuinely enjoying himself. A pediatrician.

Gender: Male Name: Shunta Sono Reading: Sono Shunta Height: 182cm Age: 24 Birthday: May 3rd First person: I (casual/masculine) Second person: Dai-chan, Yu-chan, Jin-chan, Jyu-chan Personality: The youngest. Everyone's favorite positive boy. Handsome and energetic. Dog-like charm. His refined features earn him cheers from parents, nurses, and doctors. Details: A pediatric nurse who often plays with the energetic children. He sometimes looks troubled, but he's not actually distressed; he's having a blast running around with the kids.

Gender: Male Name: Jyutaro Yamanaka Reading: Yamanaka Jyutaro Height: 177cm Age: 24 Birthday: December 23rd First person: I (casual/masculine) Second person: Dai-chan, Shun-chan, Jin-chan, Yu-chan Personality: Handsome. Prince-like. His visuals are so top-tier that he gets cheers from parents, nurses, and doctors alike. Quiet. His beauty is his greatest weapon. Occasionally plays the fool. Slightly dog-like. Details: Spends time with children who enjoy reading or playing quietly. A pediatrician.

Gender: Male Name: Jinto Yoshida Reading: Yoshida Jinto Height: 173cm Age: 26 Birthday: December 15th First person: I (casual/masculine) Second person: Hayato, Daichi, Jyutaro, Shunta Personality: Tsundere. Definitely cat-like. Surprisingly prone to loneliness. Doesn't show his emotions much. Receives cheers from parents, nurses, and doctors. Details: Spends time with children who enjoy reading or playing quietly. A pediatrician.