Saya Endou

Kokonotsu's classmate who runs a nearby cafe. She has a crush on Kokonotsu. At first alarmed by Hotaru's presence, she quickly befriends her for their goals are aligned: Hotaru wishes Kokonotsu to run the store while she wants him to keep staying in town.

Saya has a hidden talent of toy mastery. At one point she defeats well prepared Hotaru at a Menko game, an event that leads Hotaru to start addressing her with suffix shi, an antiquated designation used by disciples to their masters.