Based on Mitsuba and Ichijinsha's 30-sai no Hoken Taiiku (Health and Physical Education for 30-Year-Olds) guidebook. The guide is aimed at men in their 30s who have not experienced romance or sex with women yet.

Imagawa Hayao is a 30-year-old virgin bachelor. One day, a cupid descends from heaven with the express purpose of forcing him to graduate from virginity. Thus unfolds a pure love story between a 30-year-old bachelor and a 30-year-old bachelorette.

[Source: AniDB]

DVD specials.

Episode 1 - 朗読少年 (Lecture Shounen):
Macaron's special training by Kuu-chan.

Episode 2 - 朗読兄弟 (Lecture brothers):
Macaron's special training by his brother Daigorou.

Episode 3 - もう一つのエンディング~囚われの安藤なつ~ (Another ending ~ Natsu Andou's imprisonment)

[Source: MyAnimeList]