Is Twinkle Nora Rock Me! hentai?
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

OVA · 1985 · 1 episodes · PG-13 - Teens 13 or older
Action, Sci-Fi
Based on a 1980 manga by Mikuriya Satomi, this adaptation differs considerably from the original. The story started in its prequel was completed with this second OVA.
View on MyAnimeListShare
Check another title