Gender: Male Name: Hayato Sano Reading: Sano Hayato Height: 180cm Age: 28 Birthday: March 23 First Person: Ore Second Person: Jinto, Daichi, Jyutaro, Shunta Personality: The eldest. Composed. Enjoys being a bit of a tease. Has a handsome face and a perfect personality, but possesses a habit of instigating or poking fun at others. Dog-like. His good looks draw cheers from the children's parents, as well as from other nurses and doctors. Details: Often handles energetic children. Occasionally lowers his eyebrows as if troubled, but he isn't actually bothered; rather, he seems to enjoy interacting with the kids. A pediatrician.

Gender: Male Name: Shunta Sono Reading: Sono Shunta Height: 182cm Age: 24 Birthday: May 3 First Person: Ore Second Person: Dai-chan, Yuu-chan, Jin-chan, Jyu-chan Personality: The youngest. Everyone's favorite positive boy. Handsome. Energetic. Dog-like. His well-defined features draw cheers from the children's parents, other nurses, and doctors. Details: A pediatric nurse who often plays with energetic children. He sometimes lowers his eyebrows as if troubled, but he isn't troubled at all; instead, he's having fun frolicking with the kids.

Gender: Male Name: Jyutaro Yamanaka Reading: Yamanaka Jyutaro Height: 177cm Age: 24 Birthday: December 23 First Person: Ore Second Person: Dai-chan, Shun-chan, Jin-chan, Yuu-chan Personality: Handsome. Prince-like. His visuals are so top-tier that he draws cheers from parents, nurses, and doctors alike. Quiet. Truly, his visuals are his greatest weapon. Occasionally plays the straight man or makes jokes. Somewhat dog-like. Details: Spends time reading or looking after children who play quietly. A pediatrician.

Gender: Male Name: Jinto Yoshida Reading: Yoshida Jinto Height: 173cm Age: 26 Birthday: December 15 First Person: Ore Second Person: Hayato, Daichi, Jyutaro, Shunta Personality: Tsundere. Overwhelmingly cat-like. Surprisingly prone to loneliness. Doesn't show his emotions much. Draws cheers from the children's parents, other nurses, and doctors. Details: Spends time reading or looking after children who play quietly. A pediatrician.