Niku Mesu R30: Nikuyoku ni Ochita Mesu-tachi The Animation
Genres: Hentai
Type: OVA, Episodes: 1
Aired: Oct 31, 2014
Studio: Office Takeout
Source: Visual novel
Rating: Rx - Hentai
Synopsis:
Based on the adult PC game by Atelier Kaguya CheshireCat. 

If you manage to stay a virgin till you are 30 years old you will become the next family head. However, the candidate for the next family head Teshirogi Naoki was being tempted by the women surrounding him. Will he be able to go through many trials and become the head of the family...?!

(Source: Nodame-chan of BakaBT)