Is Baka to Test to Shoukanjuu: Matsuri - Sentaku ni Yotte Tenkai ga Kawaru "LIPS Eizou" hentai?

ONA · 2010 · 1 episodes · PG-13 - Teens 13 or older

Comedy, Parody

A promotional video that was shown to the public at Comiket 78, and uploaded to YouTube and posted on the official website. It was also included with the first Blu-ray/DVD volume of the Matsuri OVA. It is done in the style of a visual novel game played on a Nintendo DS screen. (Source: AniDB)