When good-for-nothing employee Daichi is attending to a backlog of work, a frightening game of tag targeting people with blood type B begins.
| Actor | Role |
|---|---|
 Masahiro InoueDaichi Kusano | Daichi Kusano |
| LLisa NakamaNozomi Tsukino | Nozomi Tsukino |
 Yōsuke AsariKota | Kota |
 Ryunosuke KawaiSakuya | Sakuya |
| SShiroKing | King |
 Kento YamazakiSuguru | Suguru |
 Tatsuya KishidaOnji | Onji |
 Kasumi YamayaRino | Rino |
| NNaoyuki MoritaKodama | Kodama |
 Yuya TakagawaSuguru's father | Suguru's father |
 Atsushi AraiMasaharu | Masaharu |
 Itsuki SagaraTsukasa | Tsukasa |
 Honoka YahagiYui | Yui |
 Nozomi MaedaMayuri | Mayuri |
| CChikau SatoNot listed | Not listed |
 Suzu NatsumeNot listed | Not listed |
 Nozomi FukudaKing's Aide | King's Aide |