Harem Time The Animation
Japanese title: ハーレムタイム THE ANIMATION
Type: OVA
Episodes: 2
Source: Manga
Genres: Hentai
Studios: Office TakeOut
Producers: Pink Pineapple
Duration: 26 min per ep
Rating: Rx - Hentai

Satou Seiji's life changed when his real lineage was discovered. He is the son of a rich man who passed away recently, and now Reiji is the new master of the Kamiyama house. But there is a catch! In order for him to be accepted into the house legally, he needs to provide an heir, and in order to do that, he must choose a wife from his very own harem!

(Source: AniDB)