| Hatsumi Mataki | |
|---|---|
 | |
| Name in Japanese | 真滝 八海 |
| Rōmaji Translation | Mataki Hatsumi |
| Appears in | OVA |
| Voice Actor (Japanese) | Kumiko Yokote |
| Voice Actor (English) | Wendee Lee |
| Personal Info | |
| Gender | Female |
Hatsumi Mataki (真滝 八海 Mataki Hatsumi) is the local physician and Shoko's aunt. She is utterly confounded by Eiri's psychosomatic afflictions.