Natsu e no Tobira

Natsu e no Tobira is a Japanese manga series written and illustrated 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 adaptation was released on March 20, 1981, in Japan.

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