Is Okusama ga Seitokaichou! Seitokaichou to Ofuro Asobi hentai?
English title: My Wife is the Student Council President OVA
No
Rated R+ (Mild Nudity) on MyAnimeList and not tagged as Hentai.

OVA · 2016 · 1 episodes · R+ - Mild Nudity
Comedy, Ecchi, Romance, Shounen
The student council president, Ui Wakana, organizes a campaign encouraging the act of holding hands. While Ui hangs up posters, her husband and vice president, Hayato Izumi, injures his hand when he tries to save her from falling. Feeling guilty and wanting to make up for the incident, Ui assists Izumi with bathing—even when he insists that he does not need help. [Written by MAL Rewrite]
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