Is Shakugan no Shana: Koi to Onsen no Kougai Gakushuu! hentai?
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

OVA · 2006 · 1 episodes · PG-13 - Teens 13 or older
Comedy, Ecchi, Romance, Supernatural
Yuji and Shana's class go on a trip to see various temples and shrines, followed by a trip to a hot springs resort. During the trip, Matake Ogata tries to tell Eita Tanaka her feelings for him, but various complications and hijinks occur that prevent her from doing so.
View on MyAnimeListShare
Check another title