Is Ryuugajou Nanana no Maizoukin PV hentai?
English title: Nanana's Buried Treasure
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

PV · 2011 · 1 episodes · PG-13 - Teens 13 or older
Comedy, Supernatural
Promotion video for Kazuma Ootorino's light novel Ryuugajou Nanana no Maizoukin, commissioned by Enterbrain after Ootorino won the 13th Entertainment Awards Grand Prize (Entame Taishou) from the publisher's light novel department.
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