| Natsu e no Tobira | |
 Cover of the Anthology Book Natsu e no Tobira, featuring protagonist Marion | |
| 夏への扉 ("The Door Into Summer") | |
|---|---|
| Genre | Coming-of-age[1] |
| Manga | |
| Written by | Keiko Takemiya |
| Published by | Hakusensha |
| Magazine | Hana to Yume |
| Demographic | Shōjo |
| Published | October 1975 |
| Volumes | 1 |
| Anime film | |
| Directed by | Mori Masaki |
| Produced by | Hiroki Akitsu |
| Written by | Masaki Tsuji |
| Music by | Kentarō Haneda |
| Studio | Toei Animation Madhouse |
| Released | March 20, 1981 |
| Runtime | 59 minutes |
Natsu e no Tobira (Japanese: 夏への扉, "The Door into Summer") is a Japanese manga series by Keiko Takemiya. It is an early example of a shōnen-ai manga. It was originally serialized in Hana to Yume in 1975, published by Hakusensha, and it was re-released in 2000 by Kodansha. An animated film version of this manga was released on March 20, 1981 in Japan.
- ^ Toole, Mike (April 3, 2017). "The Other 100 Best Anime Movies of All Time, Part 2". The Mike Toole Show (column). Anime News Network. Retrieved July 28, 2018.