Is Yamato yo Towa ni hentai?
English title: Be Forever Yamato
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

Movie · 1980 · 1 episodes · PG-13 - Teens 13 or older
Action, Adult Cast, Adventure, Drama, Military, Sci-Fi, Space
The Black Nebula Empire attacks Earth and threatens to blow up the planet with a bomb they placed on Earth if counter attacked. Earths hopes rest on the Yamato crew as they go to the Black Nebula Planet and try to find a way to difuse the bomb before it's too late. (Source: ANN)
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