* Based on one of Iwadate Mariko's short stories appearing in the shoujo manga monthly magazine Margaret. This is a character study of a rather traumatized young woman who develops a crush on a man who lives next door to her.
Unfortunately the movie Christmas in January is not yet available on HBO Max.
| Directing | Satoshi Dezaki | Director |
| Sound | Masahiro Kawasaki | Music |
| Directing | Kazunori Tanahashi | Second Unit Director |
| Crew | Keiju Kurumino | Script |
| Writing | Keiju Kurumino | Storyboard |
| Writing | Mariko Iwadate | Original Story |
| Visual Effects | Yukari Kobayashi | Character Designer |
| Visual Effects | Yukari Kobayashi | Animation Director |
| Sound | Takashi Ui | Sound Director |
| Art | Toshihisa Tojo | Art Direction |
| Production | Makoto Kubota | Producer |
| Production | Setsuko Shibuichi | Producer |
