Character profile
Koyori Ishizuki
石月こよりBiography
Koyori Ishizuki is Mana's younger sister and begins the story staying in the same hospital as Aono. Polite even when formality is unnecessary, she tries to keep Aono company and grows close to her during their time together.
Story spoilers
Koyori is soon discharged, and Aono teaches her how to make origami.
2 credits