Is Betsu ni Anta no Tame ni Ookiku Natta n ja Nai n Dakara ne!! hentai?
Yes
Rated Rx (Hentai) on MyAnimeList.

OVA · 2011 · 1 episodes · Rx - Hentai
Hentai
After a night at a party, a young lady decides to enlist her new butler to help her learn what "fellatio" and "tit-fucking" are.
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