A senior to Yu and Yosuke, she works as a part-time worker in Junes. She is the eldest daughter of a family who owns the local liquor store. Yu meets her as she takes a break from her part-time job working in Junes. She informs Yu that Yosuke's father is the manager of Junes and that she is Yosuke's co-worker. She sees Yosuke as a nosy little brother. It is implied that Yosuke harbors romantic feelings towards Saki, but fails to confess to her. Saki is later revealed to be the person who first found Mayumi Yamano's body, making her nervous and scared. The next day, the Yasogami High students are informed that Saki Konishi was found murdered. Her corpse was hung upside-down on an antenna. Devastated by her death, Yosuke requests the Protagonist take him into the Midnight Channel, as the Protagonist is the only one capable of entering the TV.