Health and Physical Education for 30-Year-Olds

Health and Physical Education for 30-Year-Olds started as a guidebook for single men to meet and begin relationships with women. It was adapted into an anime in the spring of 2011.

This series contains examples of:
 * Biggus Dickus: Implied with Daigorou in 10.
 * Big Ol' Eyebrows: Andou-san.
 * Different As Night and Day: Pii-chan and Kuu-chan.
 * Dropped a Bridget On Him: This is how Macaron is introduced.
 * Doctor Dolittle: Kuu-chan is shown to be able to talk to animals at the zoo in episode 9.
 * Evolving Credits: The end credits show the main characters(?) walking toward each other, slightly older in each episode, starting from infancy.
 * Gonk: Hoshi, who is, strangely, more sexually experienced than Imakawa.
 * Hidden Depths: The normal looking Wada who works with Natsu.
 * Ho Yay: Between Hayao and Macaron. Especially when Macaron is crossdressing.
 * If It's You It's Okay: Hayao might feel this way about Macaron.
 * I Was Quite the Looker: Hayaos Landlord didn't look bad 50 years ago(Though we don't get to see his face).
 * Keet: Macaron.
 * King of All Cosmos
 * Les Yay: Natsu and Pii-Chan..
 * Papa Wolf: Hayaos Landlord is one.
 * Shout Out: The AK-Fields.
 * A pink rabbit shows up in 10 that looks like another rabbit.
 * In 6 Macaron slaps Hayao while they look like Sayla Mass and Amuro Ray. As well as Natsu activating her AK-Fields and turning into.
 * There have been a couple of shout outs to Manga/Manga/JoJosBizarreAdventure.
 * When  Macaron stops and tells Hayao what he was doing wrong as Lances stabbed Hayao.
 * Shrinking Violet: Both of the main characters.
 * This Loser Is You: Quite explicitly.
 * Wholesome Crossdresser: Macaron. Daigorou and Pii-chan have done it as well.