Mio is a girl in high school who slacks off. She and her childhood friend Arata and best friend Madoka spend their after-school days in Ikebukuro hanging out. One day, Madoka tells Mio that she loves Arata, and Mio realizes that she loves Arata, too. But she’s scared of their relationship falling apart and lies, saying she’ll help them. Mio deliberately acts coldly to Arata, and they get into a fight. She decides to work things out with Arata, but gets into a car accident on her way to meet him. She wakes up in a mysterious world. It's the Ikebukuro she knows, but something’s different...
Unfortunately the movie Over the Sky is not yet available on HBO Max.
| Sound | Tatsuhiko Saiki | Original Music Composer |
| Camera | Yutaka Nagaushi | Director of Photography |
| Visual Effects | Tomoyuki Abe | Character Designer |
| Sound | Yoshinobu Sena | Sound Director |
| Visual Effects | Tomoyuki Abe | Supervising Animation Director |
| Writing | Yoshinobu Sena | Screenplay |
| Visual Effects | Tomoyuki Abe | Key Animation |
| Visual Effects | Miori Suzuki | Key Animation |
| Visual Effects | Miori Suzuki | Animation Director |
| Production | Ren Onodera | Executive Producer |
| Directing | Takashi Asami | Second Unit Director |
| Directing | Satoru Watari | Second Unit Director |
| Directing | Yoshinobu Sena | Director |
| Editing | Masahiro Goto | Editor |
| Sound | Yasuyuki Konno | Sound Effects |
| Visual Effects | Mizuho Yamada | Color Designer |
| Sound | Kagenobu Kuwahata | Music Producer |
| Art | Shinji Katahira | Art Direction |
