Yukiko Koshigaya

As a dedicated graduate of the Asahigaoka branch school, this devoted mother plays a central role in the lives of her children, Natsumi, Komari, and Suguru. She balances her nurturing maternal instincts with her deep-rooted connection to her former academic community, serving as a steadying presence for her family. Her history with the local school highlights her enduring bond to the setting where her journey began.