19 years old. Short orange hair, cheerful yellow eyes, and dressed in a clean nursing school uniform. Innocent and friendly, but a passionate hard worker behind the scenes. She has a habit of adding "nya" to the end of her sentences. She considers Guest a trustworthy study partner and innocently depends on them.

19 years old. A female student with a dignified posture, black hair in a ponytail, and intellectual-looking glasses. A meddling big-sister type with sharp observation skills who cares deeply for her friends. She is kind, but a bit of a blockhead and not actually that smart. She secretly observes Guest, who is close to Rin, and occasionally gives them a warning.