| The story centers on Keitarou Gentouga, who has the ability to be a spirit medium. In junior high school, he got someone else wrapped up in a spirit possession incident, and he has been a shut-in for more than two years. As he reintroduces himself to society as a private tutor, he meets a genius girl named Yayoi Houzuki. Yayoi is instantly able to tell that Keitarou has skill as a spirit medium, and she invites him to go with her to a haunted location. The two then start their journey capturing evil spirits. |
| Name | Character | Episodes |
|---|---|---|
| Kana Hanazawa | Eiko Hozuki (voice) | 25 |
| Nobunaga Shimazaki | Keitaro Gentoga (voice) | 25 |
| Yoshihiro Nakamura | Narrator (voice) | 25 |
| Taku Yashiro | Oswald (voice) | 5 |
| Saori Hayami | Castle H Ruins spirit (voice) | 4 |
| Hochu Otsuka | Alien doll spirit (voice) | 4 |
| Yoko Hikasa | Courtesan Otogiri Oiran (voice) | 3 |
| Yukari Tamura | Anna Misaki (voice) | 3 |
| Masashi Ebara | Nankobo (voice) | 3 |
| Yoshitsugu Matsuoka | Old Old F Tunnel spirit (voice) | 2 |
| Reina Ueda | Daughter's spirit (voice) | 2 |
| Mitsuo Iwata | Brainstem spirit (voice) | 2 |
| Aya Hisakawa | Namiko Shami (voice) | 2 |
| Shinichiro Kamio | Teacher (voice) | 1 |
| Daiki Hamano | Priest wearing sunglasses (voice) | 1 |
| Aya Hisakawa | Nagiko Shami (voice) | 1 |
| Kazuyuki Okitsu | Nagayama / Kyo Machida (voice) | 1 |
| Eiko Yamada | Woman (voice) | 1 |