Directed by
| Itsuki Imazaki | ||
Writing Credits (in alphabetical order)
| Takada Makoto | ... | (screenplay) |
| Hanama Tomo | ... | (light novel) |
| Kenichi Yamashita | ... | (screenplay) |
Cast (in credits order)
 |
Keisuke Kômoto | ... | Shouma Akiyama (as Keisuke Komoto) |
| Hiro Shimono | ... | Keiki Kiryuu | |
| Kaede Hondo | ... | Mizuha Kiryuu | |
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Rina Hidaka | ... | Yuika Koga |
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Iori Nomizu | ... | Mao Nanjou |
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Ayana Taketatsu | ... | Sayuki Tokihara |
| Rest of cast listed alphabetically: | |||
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Bryn Apprill | ... | Additional Voices (voice) |
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Kate Bristol | ... | Koharu (voice) |
| Clifford Chapin | ... | Keiki (voice) | |
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Jordan Dash Cruz | ... | Shoma (voice) |
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Alyssa Dumas | ... | Additional Voices (voice) |
| Cassie Ewulu | ... | Okita (voice) | |
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Anzu Haruno | ... | Ayano Fujimoto |
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Minoru Hirota | ... | Keiki's Grandfather |
| Mikaela Krantz | ... | Young Keiki (voice) | |
| Brittany Lauda | ... | Additional Voices (voice) | |
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Emi Lo | ... | Ayano (voice) |
| Kristen McGuire | ... | Mao Nanjo | |
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Suzuko Mimori | ... | Okita-sensei |
| Madeleine Morris | ... | Yuika (voice) | |
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Satoru Murakami | ... | Man |
| Emily Neves | ... | Mizuha (voice) | |
| Ayaka Ohashi | ... | Koharu Ootori | |
| Mallorie Rodak | ... | Sayuki (voice) | |
| John Swasey | ... | Keiki's Grandfather (voice) | |
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Tomoya Takagi | ... | Man |
Produced by
| Gôta Aijima | ... | producer (as Gota Aijima) |
| Kosuke Arai | ... | producer |
| Noritomo Isogai | ... | producer |
| Makoto Kumakawa | ... | producer |
| Kimura Manabu | ... | producer |
| Hideaki Matsumoto | ... | producer |
| Sou Murakami | ... | producer |
| Jun'ichi Takagi | ... | producer |
| Kôhei Takeishi | ... | producer |
| Ryûtarô Usukura | ... | producer |
Music by
| Youichi Sakai | ||
Cinematography by
| Kazuto Horikawa | ||
Editing by
| Kazuto Horikawa | ||
Art Direction by
| Choi Seung-Uk | ||
Art Department
| Itsuki Imazaki | ... | storyboard artist |
| Naoto Kondô | ... | color design |
| Sune | ... | original illustration |
Sound Department
| Yasunori Ebina | ... | sound director |
| Kiyotaka Kawada | ... | sound effects |
Animation Department
| Yong Ju Cho | ... | animation director |
| Daiki Handa | ... | prop designer |
| Yusuke Ito | ... | animation director: opening and ending sequences / character designer / chief animation director |
| Horie Taku | ... | animation producer |
Music Department
| Halu-Note | ... | music: ending theme |
| Yohei Matsui | ... | lyrics: ending theme |
| Ayaka Ohashi | ... | vocals: opening theme |
| Kanata Okajima | ... | lyrics and music: opening theme |
| Pw.a | ... | music: opening theme |
| Mia Regina | ... | vocals: ending theme |
| Oota Takayuki | ... | music: ending theme |
| Terushige Yoshie | ... | music producer |