Its central characters are a vampire girl named Miyu and her demonic companion Larva. Miyu is the daughter of both a human and a shinma (demon) and as such she was awakened as the guardian whose destiny is to hunt down all stray shinma and send them back to the darkness.
| Actor | Role |
|---|---|
 Naoko WatanabeMiyu Yamano | Miyu Yamano |
 Masato KubotaKei's Brother | Kei's Brother |
 Kaneto ShiozawaLarva | Larva |
 Katsumi ToriumiMiyahito | Miyahito |
 Mayumi ShouRanka | Ranka |
 Yuji MitsuyaLemures (voice) | Lemures (voice) |