Nino is a quiet outcast with only a bird for a friend. Kira is a popular boy with a big secret. Even though they live next to each other, they have never spoken. But when Nino learns Kira's secret, everything begins to change, and what starts as a hesitant friendship grows into something more… but how long can it last?
You can now watch Closest Love to Heaven online on the following streaming providers in the United States.
| Writing | Rin Mikimoto | Comic Book |
| Writing | Chieko Nakagawa | Screenplay |
| Directing | Taisuke Kawamura | Director |
| Production | Rikyu Ohata | Producer |
| Production | Hitoshi Fuse | Producer |
| Sound | Harumi Fuuki | Original Music Composer |
| Camera | Takamasa Kanazawa | Director of Photography |
| Production | Toshihisa Ohata | Producer |
| Editing | Hiroaki Morishita | Editor |
| Sound | [Alexandros] | Theme Song Performance |