According to the free paper of Mainichi, an instruction book series "30-sai no Hoken Taiiku (Health Education for 30 years old men)" was announced to get an anime adaptation. The guide books teach shy men around 30 how to date and sex with women.
30 sai no Hoken Taiiku official website
The first volume was published in November 2008. It was quickly sold out in Akihabara and ranked 1st in Amazon Japan sales ranking.
Source: Mantan Broad