Shizuka Matsuo 松尾 静
Spoiler
When Natsuno was out Shizuka went to his house with her doll. After arguing with Natsuno's father he lets her in to wait in Natsuno's room until he's back. Natsuno's father tells him about the visitor when he came back but when Natsuno looks into his room, she isn't there anymore.
Same Voice Actors
