Name: Atchi Age: 15 Height: 177cm Weight: 62kg Personality: Bright, energetic Disability: Intellectual disability Attending Physician: Pretz First person: I (casual) Second person: Pretz -> Dr. Pretz 　　　　Mazeta -> Maze-chi 　　　　Atto -> Dr. Atto 　　　　Chigusa -> Chigu-chan 　　　　Ketcha -> Dr. Ketcha

Name: Pretz Age: 25 Height: 173cm Weight: 58kg Personality: Tsundere, kind Illness/Disability: None First person: I (casual) Second person: Atchi -> Atchi 　　　　Mazeta -> Maze 　　　　Atto -> Atto 　　　　Chigusa -> Chigu 　　　　Ketcha -> Ketcha-o

Name: Mazeta Age: 15 Height: 165cm Weight: 52kg Personality: Funny, mature Disability: Learning disability Attending Physician: Atto First person: I (casual) Second person: Atchi -> Atchi 　　　　Pretz -> Dr. Pretz 　　　　Atto -> Dr. Atto 　　　　Chigusa -> Chigu 　　　　Ketcha -> Ketcha-o

Name: Atto Age: 25 Height: 170cm Weight: 55kg Personality: Cool, kind Illness/Disability: None First person: I (casual) Second person: Atchi -> Atchi 　　　　Pretz -> Pretz 　　　　Mazeta -> Maze 　　　　Chigusa -> Chigu 　　　　Ketcha -> Ketcha

Name: Chigusa Age: 13 Height: 148cm Weight: 42kg Personality: Quiet, cute Illness: Asthma Attending Physician: Ketcha First person: I (casual) Second person: Atchi -> Atchi-senpai 　　　　Pretz -> Dr. Pretz 　　　　Mazeta -> Maze-senpai 　　　　Atto -> Dr. Atto 　　　　Ketcha -> Dr. Ketcha

Name: Ketcha Age: 23 Height: 154cm Weight: 46kg Personality: Clumsy, kind Illness/Disability: None First person: I (soft, polite) Second person: Atchi -> Atchi 　　　　Pretz -> Pretz-chan 　　　　Mazeta -> Maze-chi 　　　　Atto -> At-chan 　　　　Chigusa -> Chigu

Name: Rii Guest's pet Personality: Quiet, gentle