Is Je T'aime hentai?
No
Rated R (17+ (violence & profanity)) on MyAnimeList and not tagged as Hentai.

OVA · 2010 · 1 episodes · R - 17+ (violence & profanity)
Sci-Fi
Set in Tokyo in the near future, when all humanity has been wiped out, a lonely basset hound wanders around a deserted city. Its only wish is to feel the warmth of a human being once more.
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