The atmosphere in True Cross Academy is lively and boisterous in the days leading up to the grand festival held once every 11 years. During this time, Okumura Rin is entrusted with the responsibility of suppressing the berserk Phantom Train. In the midst of his mission, he meets a devil whose appearance is that of a young boy.
| Actor | Role |
|---|---|
 Jun FukuyamaYukio Okumura (voice) | Yukio Okumura (voice) |
 Kana HanazawaShiemi Moriyama (voice) | Shiemi Moriyama (voice) |
 Kazuya NakaiRyuji Suguro (voice) | Ryuji Suguro (voice) |
 Koji YusaRenzo Shima (voice) | Renzo Shima (voice) |
 Yuki KajiKonekomaru Miwa (voice) | Konekomaru Miwa (voice) |
 Eri KitamuraIzumo Kamiki (voice) | Izumo Kamiki (voice) |
 Ayahi TakagakiKuro (voice) | Kuro (voice) |
 Daisuke OnoArthur Auguste Angel (voice) | Arthur Auguste Angel (voice) |
 Keiji FujiwaraShirou Fujimoto (voice) | Shirou Fujimoto (voice) |
 Nao ToyamaNii-chan (voice) | Nii-chan (voice) |
 Nobuhiko OkamotoRin Okumura (voice) | Rin Okumura (voice) |