30-sai no Hoken Taiiku – is a Japanese guidebook series written by Mitsuba and published by Ichijinsha. The series is aimed at men in their 30s who have not had any romantic or sexual relationships with women. It includes colourful characters and some laughs. The manga adaptation by Rikako Inomoto started on the November/December 2010 issue of Comic Rex. In 2011, the book was adapted into an anime television series produced by Gathering and was broadcast in Japan on BS11 and Tokyo MX from April to June 2011.