Boku no Pico

During summer vacation, Tamotsu is on break from work happens to visit a particular café. It is at this café that Tamotsu meets Pico, who works there for his grandfather. Tamotsu instantly falls for Pico, believing that Pico is a girl because of his feminine appearance. However, to his disbelief, Pico claims he actually is a guy. Undeterred, Tamotsu pursues a sexual relationship with Pico, to an extent where he even persuades Pico into wearing girl clothes. When Pico asks what is he to Tamotsu, he finds himself unable to answer... (Source: MAL Rewrite)

MILF Park

A mysterious girl was reading a book, seated in the same position every day. Until one day, when a boy who parted with his friend after playing tried to greet the girl. Curious of what the girl was reading, the boy asked "what are you reading about?" With a sweet smile from the girl, she replied "come sit next to me, let me tell you what I'm reading." The girl told a sex story from a book she read. After reading it, the girl said "my house is nearby, do you want to come to my house?" (Source: Nekopoi)

Sensitive Pornograph

Featuring two short stories, the first is about two manga-ka with a ten year age difference, Seiji Yamada and Sono Hanasaki and their intimate love life and problems. The second story is about the strange incident that happens to pet-sitter Ueno when he goes to take care of a pet rabbit named Aki, who he finds out is actually a human man. (Source: Anime News Network)

Pico to Chico

The crisp rays of summer sun find the effeminate Pico embroiled in yet another heated and lustful fling. While out biking, Pico meets and befriends Chico—a lively boy not much younger than him, but leagues behind in the affairs of the flesh. After the innocent Chico shows his sister in the midst of self-pleasure to Pico, Pico takes it upon himself to educate this confused youth. (Source: MAL Rewrite)

Pico x CoCo x Chico

The third installment of the Boku no Pico series, which takes sometime after the second OVA, Pico to Chico. Pico and Chico meet a mysterious young boy named CoCo, whom Pico at first believes is a girl. The three of them become friends, but soon CoCo believes he is becoming a strain on Pico and Chico's relationship and decides to distance himself from them. The three of them rekindle their friendship by the end of the OVA.

Yuutousei Ayaka no Uraomote

An honor student, simple and pure who has no knowledge of adult things. One day a classmate asks her if she has a boyfriend, setting off a cascade of interest in sex and lust and debauchery.