Amanee!: Tomodachinchi de Konna Koto ni Naru Nante!
English title: MILF Assault Mode
Japanese title: アマネェ！ ～トモダチンチでこんな事になるなんて！～
Type: OVA
Episodes: 1
Source: Manga
Genres: Hentai
Studios: Studio 1st
Producers: Pashmina
Duration: 25 min
Rating: Rx - Hentai

Based on the same name adult manga by Shiomaneki.

Ryouichi goes to his friend Yuu's place to play video games, like they do sometimes. It turns out that Yuu's aunt Yui has come to visit, and she joins them. But it soon becomes clear that it's not a video game she wants to play with Ryouichi...

(Source: AniDB)