Takagi and Nishikata are in their final year of middle school, and have both anxiety and hope for the future. During the summer of their final year, on the day before summer vacation starts, the two find a kitten that they name Hana. They decide to take care of the kitten themselves until they can find its mother.
| Production | Masakazu Kubo | Executive Producer |
| Visual Effects | Toshihiko Masuda | Key Animation |
| Writing | Aki Itami | Screenplay |
| Visual Effects | Aya Takano | Character Designer |
| Art | Yuji Ikeda | Art Designer |
| Visual Effects | Takuji Mogi | Animation Director |
| Visual Effects | Takuji Mogi | Character Designer |
| Visual Effects | Takuji Mogi | Key Animation |
| Visual Effects | Yuya Sakuma | Compositing Artist |
| Sound | Rie Takahashi | Theme Song Performance |
| Sound | Hiroaki Tsutsumi | Original Music Composer |
| Production | Reiko Sasaki | Producer |
| Visual Effects | Akiko Matsuo | Animation Director |
| Visual Effects | Akiko Matsuo | Key Animation |
| Visual Effects | Toyohiro Okada | Key Animation |
| Visual Effects | Noriyuki Tsutsumi | Key Animation |
| Editing | Yumiko Nakaba | Editor |
| Visual Effects | Takuji Yoshimoto | Animation Director |
| Visual Effects | Yukiko Nagase | Compositing Artist |
| Sound | Keiko Osaki | Musician |
| Sound | Katsuhiro Nakano | Sound Effects |
| Directing | Hiroaki Akagi | Director |
| Visual Effects | Hiroaki Akagi | Opening/Ending Animation |
| Art | Hiroaki Akagi | Storyboard Artist |
| Directing | Hiroaki Akagi | Second Unit Director |
| Visual Effects | Shinichiro Nagano | Compositing Artist |
| Art | Yukiko Kawai | Assistant Director of Photography |
| Directing | Juria Matsumura | Second Unit Director |
| Visual Effects | Satoru Koshiishi | Key Animation |
| Art | Hitoshi Nagasaki | Background Designer |
| Art | Michiko Taniguchi | Background Designer |
| Art | Yuki Kasahara | Art Direction |
| Art | Yuko Kobayashi | Background Designer |
| Production | Keiji Ota | Executive Producer |
| Visual Effects | Chihiro Hayashi | Key Animation |
| Writing | Soichiro Yamamoto | Comic Book |
| Visual Effects | Soichiro Yamamoto | Key Animation |
| Visual Effects | Yoshihiro Maeda | Key Animation |
| Sound | Takahiro Enomoto | Sound Director |
| Visual Effects | Kazunori Ozawa | Key Animation |
| Visual Effects | Fumiya Uehara | Key Animation |
| Art | Yasuaki Fujii | Storyboard Artist |
| Directing | Yasuaki Fujii | Second Unit Director |
| Writing | Hiroko Fukuda | Screenplay |
| Writing | Hiroko Fukuda | Series Composition |
| Art | Masae Otake | Prop Designer |
| Visual Effects | Masae Otake | 2D Artist |
| Visual Effects | Natsuko Kondou | Animation Director |
| Visual Effects | Natsuko Kondou | Character Designer |
| Visual Effects | Norikazu Kamibayashi | CGI Director |
| Visual Effects | Sota Suwa | Key Animation |
| Visual Effects | Emiko Nakano | Key Animation |
| Production | Ken Amano | Executive Producer |
| Sound | Tatsuhiro Amano | Sound Mixer |
| Camera | Masato Makino | Director of Photography |
| Visual Effects | Jiro Majima | Key Animation |
| Production | Michihiko Umezawa | Executive Producer |
| Visual Effects | Saori Koike | Key Animation |
| Sound | Yoshiki Kobayashi | Music Producer |
| Visual Effects | Makiko Shinohara | Key Animation |
| Production | Kazutaka Yamanaka | Executive Producer |
| Visual Effects | Ryuuta Ura | Key Animation |
| Visual Effects | Haruki Miura | Key Animation |
| Sound | Yuiko Ohara | Songs |
| Sound | Yuiko Ohara | Theme Song Performance |
| Visual Effects | Yuji Shibata | Key Animation |
| Visual Effects | Akihiko Oka | Animation Director |
| Visual Effects | Yoshifumi Okawa | Animation Director |
| Visual Effects | Takumi Takatsuma | Key Animation |
| Writing | Kanichi Kato | Screenplay |
| Visual Effects | Yuta Ohara | Animation Director |
| Visual Effects | Yuta Ohara | Key Animation |
| Visual Effects | Erika Okada | Key Animation |
| Visual Effects | Asato Ikumi | Key Animation |
| Visual Effects | Hitomi Shimodaira | Key Animation |
| Art | Chiemi Hironaka | Prop Designer |
| Visual Effects | Chiemi Hironaka | Character Designer |
| Visual Effects | Chiemi Hironaka | Key Animation |
| Visual Effects | Kanata Yanagisawa | Animation Director |
| Visual Effects | Kanata Yanagisawa | Character Designer |
| Visual Effects | Kanata Yanagisawa | Key Animation |
| Visual Effects | Shingo Nishiyama | Key Animation |
| Visual Effects | Kazuhiro Itakura | Key Animation |
| Visual Effects | Masahito Wada | Key Animation |
| Visual Effects | Mitsuhime Nitta | Key Animation |
| Visual Effects | Woo Geum-yung | Animation Director |
| Visual Effects | Yurika Tsushima | Key Animation |
| Visual Effects | Kayo Daibou | Key Animation |
| Production | Mikito Bizenjima | Executive Producer |
| Visual Effects | Takayuki Sugiura | Key Animation |
| Visual Effects | Etsuo Nakashiro | Animation Director |
| Visual Effects | Etsuo Nakashiro | Key Animation |
| Visual Effects | Izumi Kawada | Key Animation |
| Visual Effects | Tsubasa Kanamori | Compositing Artist |
| Production | Kei Nishi | Executive Producer |
| Visual Effects | Ruri Satou | Compositing Artist |
| Visual Effects | Yuki Bessho | Animation Director |
| Visual Effects | Yuki Bessho | Key Animation |
| Art | Hitomi Aso | Prop Designer |
| Visual Effects | Hitomi Aso | Key Animation |
| Visual Effects | Mizue Fukuda | Key Animation |
| Visual Effects | Chen Dali | Animation Director |
| Visual Effects | Chen Dali | Key Animation |
| Directing | Chen Dali | Second Unit Director |
| Directing | Park Gyeong-sun | Second Unit Director |
| Visual Effects | Sachi Takahashi | Key Animation |
| Art | Hiroki Imamura | Storyboard Artist |
| Visual Effects | Yusuke Motokura | Compositing Artist |
| Visual Effects | Sonoka Maeda | Key Animation |
| Visual Effects | Naoko Igarashi | Key Animation |
| Sound | Daisuke Mizuno | Music Director |
| Sound | Junji Yuasa | Music Director |
| Production | Yuhei Ueno | Producer |
| Production | Yuukou Itou | Producer |
| Editing | Kentarou Yamada | Assistant Editor |
| Production | Yuito Hirahara | Producer |
| Visual Effects | Park Sang-ho | Animation Director |
| Visual Effects | Sachiko Ito | Compositing Artist |
| Visual Effects | Mika Yokoi | Color Designer |
| Production | Ryo Fujita | Executive Producer |
| Visual Effects | Tomomasa Ito | Compositing Artist |
| Visual Effects | Yudai Higa | Compositing Artist |
| Visual Effects | Kaito Ishizaka | Compositing Artist |
| Visual Effects | Natsu Nishioka | Compositing Artist |
| Visual Effects | Takuya Ogasawara | 2D Artist |
| Directing | Takuya Ogasawara | Second Unit Director |
| Production | Motomichi Araki | Producer |
| Visual Effects | Kim Min-ja | Animation Director |
| Visual Effects | Yuri Kotake | Key Animation |
| Visual Effects | Lee Ho-se | Key Animation |
| Production | Yukari Nishikawa | Associate Producer |
| Visual Effects | Hiroshi Onishi | Compositing Artist |
| Production | Shinichiro Mutaguchi | Executive Producer |
| Visual Effects | Wang Xuanjing | Key Animation |
| Visual Effects | Yoshihiro Kajiwara | Compositing Artist |
| Visual Effects | Jazzline Monteron | Key Animation |
| Visual Effects | Ryoya Abe | Compositing Artist |
| Visual Effects | Kengo Yanagisawa | Compositing Artist |
| Visual Effects | Yoshiyuki Tokinaga | Key Animation |
| Art | Mai Sasaki | Background Designer |
| Art | Kayoko Fujiki | Background Designer |
| Art | Kenta Sawatani | Background Designer |
| Art | Junko Araki | Background Designer |
| Art | Harumi Suwa | Background Designer |
| Production | Mitsuteru Hishiyama | Associate Producer |
| Art | Mizuki Nakano | Background Designer |
| Production | Gou Inagaki | Associate Producer |
| Production | Kentaro Kitani | Associate Producer |
| Visual Effects | Jang Mi-hee | Key Animation |
| Visual Effects | Hwang You-seon | Key Animation |
| Visual Effects | Mayumi Shirakawa | Key Animation |
| Art | Tomomi Fujiwara | Background Designer |
| Visual Effects | Rinko Hayashi | Key Animation |
| Visual Effects | Yuji Kumai | Compositing Artist |
