1 Boku No Pico
Boku no Pico is an anime series of three OVA episodes created by Katsuhiko Takayama. It was released to DVD on September 17, 2006.
If you have an enemy, tie him up and make him watch this. He might end up being your best friend if you let him go. - RoseRedFlower
I'm sure your parents want to watch three under aged boys having sex with disgusting animation with you!
2 Prison School
3 Aki Sora
It's about a boy and his big sister who like to make love. I'm sure anyone's parents would disapprove of this disgusting anime.
It shouldn't be watched by anyone, let alone you're parents.
4 Yosuga no Sora
This anime is really weird... - RoseRedFlower
5 Monster Musume
6 Black Butler
Black Butler is a Japanese anime television series produced by A-1 Pictures and premiered in October, 2008.
My sister actually likes this one lol. - RoseRedFlower
7 Girls Bravo
9 Kiss x Sis
The pubic hair scene alone would make it uncomfortable to watch. - RoseRedFlower
10 School Days
An anime series was developed by TNK with joint production by Avex Entertainment, Lantis, Marvelous Entertainment, Pony Canyon and Jinnan Studio. ...read more.
Yeah, from what I heard, true - EliHbk
11 Burn Up Excess
12 Tokyo Ghoul
Tokyo Ghoul is a Japanese dark fantasy manga series written and illustrated by Sui Ishida. It was serialized in Shueisha's seinen manga magazine Weekly Young Jump between September 2011 and September 2014, and it has been collected in fourteen tankōbon volumes as of August 2014.
13 High School DxD
High School DxD is a Japanese light novel series written by Ichiei Ishibumi and illustrated by Miyama-Zero. The series revolves around Issei Hyoudou, a perverted high school student who is reincarnated into a Devil by Rias Gremory after being killed on his first date. He later joins the Occult Research ...read more.
14 Bible Black
This anime shouldn't be watched by anyone. Let it fade into obscurity. - RoseRedFlower
16 Panty & Stocking with Garterbelt
My sister also likes this one too. - RoseRedFlower
17 The Melancholy of Haruhi Suzumiya
18 Super Lovers
Naruto is an anime and manga franchise Naruto, created by Masashi Kishimoto. The manga was later adapted into a television anime, which was produced by Studio Pierrot and Aniplex. It premiered across Japan on the terrestrial TV Tokyo and other TX Network stations on October 3, 2002. The first series ...read more.
Especially the second episode - BoyGenius234
20 Death Note
Death Note is a Japanese television drama series based on the manga series of the same name by Tsugumi Ohba and Takeshi Obata.
The show is centered around Light Yagami a promising highschooler and aspiring detective with a strong sense of "justice".
21 Yuki Yuna is a Hero
22 Attack on Titan
Attack on Titan, also known as Shingeki no Kyojin in Japanese, created by Hajime Isayama, is one of the most popular Japanese anime series to be released. It was first watched in Japan during 2013 and was dubbed in English to be watched in America in 2014. It is best known for its emotional moments, ...read more.
23 Puella Magi Madoka Magica
Puella Magi Madoka Magica is a 2011 Japanese anime television series produced by Shaft and Aniplex, directed by Akiyuki Shinbo, written by Gen Urobuchi, music by Yuki Kajiura, opening sang by ClariS, ending by Kalafina (sometimes by the seiyuus) and original characters by Ume Aoki. It also has 3 movies, ...read more.
24 Elfen Lied
Elfen Lied is a Japanese manga series written and illustrated by Lynn Okamoto. It was originally serialized in Shueisha's Weekly Young Jump from June 2002 to August 2005, with the 107 chapters collected into twelve tankōbon volumes.
25 Sailor Moon Crystal
Sailor Moon Crystal, known in Japan as Pretty Guardian Sailor Moon Crystal, is a 2014 original net animation adaptation of the shōjo manga series Sailor Moon written and illustrated by Naoko Takeuchi and produced in commemoration of the original series' 20th anniversary.
Uranus kissing Sailor Moon, lots of violence, full of nudes; I miss the original.
26 Green Green
Basically part porno
27 Fairy Tail
Fairy Tail is a manga franchise created by Hiro Mashima. The manga has been adapted into an anime series produced by A-1 Pictures and Satelight, which began broadcasting in Japan on October 12, 2009. Additionally, A-1 Pictures and Satelight have developed seven original video animations and an animated ...read more.
28 Haiyore! Nyaruko-san
29 Diabolik Lovers
Diabolik Lovers is a Japanese visual novel franchise by Rejet. The first game was released on October 11, 2012 for the PlayStation Portable. Three more games have been released since them with the first two games having been ported for the PlayStation Vita with the subtitle "Limited V Edition". ...read more.
30 The Saga of Tanya The Evil
31 The Qwaser of Stigmata
32 Kodomo no Jikan
Do not watch for your own good.