Natsu e no tobira
| MPAA Rating: | NR |
| Genre: | Animation, Drama, Romance |
| Country: | Japan |
| Directed By: | Toshio Hirata, Mori Masaki |
| Written By: | Masaki Tsuji, Keiko Takemiya |
| Cast: | Makio Inoue, Hidekatsu Shibata, Yoku Shioya, Yûji Mitsuya, Keiko Han, Kaneto Shiozawa, Toshio Furukawa, Tôru Furuya, Yuko Ota, Kôji Yada, Yû Mizushima, Reiko Mutô |
| In Theaters: | Mar 20, 1981 |
| Runtime: | 59 minutes |
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