When you're the most notorious delinquent at school you have one hell of an image to maintain. The last thing you need is to be seen taking orders from an innocent puppy-eyed girl. But unfortunately for Keiji Sendai, he finds himself in this exact predicament when, Setsuna Yatsusaki, the shyest girl in school (as well as being the biggest klutz) finds out about Keiji's deepest and darkest secret... that he's a hardcore otaku! With her new trump card, Setsuna blackmails Keiji into becoming her slave. But just how long can a weak naive young girl keep such a dangerous young man as her pet dog? Join in on Setsuna's secret as she sets out to "train" a notorious thug in this unorthodox love story. *Note: Was originally serialized in Dengeki Teioh magazine in 2005 as "Kyouhaku Dog’s". This run ended after the magazine became defunct in 2006.* Serialization restarted in 2010 issue of Dengeki G's Festival! Comic under the title "Kyouhaku Dog’s - Another Secret". (Source: Infinity Studios)

Clannad is primarily set in a high school located in a small Japanese city. Clannad follows the life of Tomoya Okazaki, a third-year student who does not take his studies seriously. He hates his city and his everyday routine, while waiting for something that would bring color into his dull life. Always late for class, he is seen as a delinquent by the rest of his classmates who are busy preparing for their college entrance examinations. Needless to say, he does not have too many close friends either. One day, while walking to school, Tomoya passes by a frail girl muttering quietly to herself. Suddenly she exclaims "anpan" and catches his attention. A brief conversation follows and then both resume their walk towards the school.

Crow, the loyal butler of a villainess, realizes through a series of chance events that he has in fact been reincarnated into another world. With a new perspective on life, he realizes just how badly he's been treated by this haughty, egotistical and prideful noble lady he calls his mistress until now, and boils with rage at the injustice. However, after deciding to take revenge on her in a risque way, he comes to realize that she's a lot easier than she looks... This is a story of how a reincarnated butler tames his villainous mistress in lustful ways, but ends up making her truly happy.

from Animea: Natasha is a russian girl went to study in another country and there she is taken by Yoshimunes family. Incestual kiss? Yoshimunes father sure cares a lot about this girl, after all she is family.

Hinata finds out that his beautiful but cold new math teacher Manaka-sensei has a secret hobby outside of school. *Note: Includes five bonus chapters.*

The main character, Ayase Yuuto is your average boy without any special traits. He attends a private high school where he is one of the many and doesn't stand out, until, one day, he happens to discover the secret of the school princess Nogizaka Haruka, and his life changes drastically from there on. Haruka, the school's most unattainable girl, is so idolized in the school for both, her looks and intelligence, that her classmates nickname her Nuit Étoile (The Silver Star of the Night) and Lumière du Clavier (The Shining Princess on the Piano). However, nobody knows that it is only a fake role she assumes to hide her true nature. In reality she is a die-hard fan of anime, manga, and otaku culture.

Due to a stroke of fate, Yachiyo takes over as the owner of a butler cafe after her father suddenly falls ill. But things don't go as planned, and Yachiyo gets called a washboard by Kido, the cafe's most popular butler. Just what will ensue from this? Will these two end up in huge fight?! (Source: MangaPlaza)

“You have acquired experience points. Kudo Kazuto has risen to Level 1,” echoes through Kazuto’s mind after he runs over a mysterious dog on his way home from work. The next morning, he awakens to a changed world, full of vicious monsters. The world now features a game-like system of levels and skills, alongside danger at every turn. Will Kazuto be able to survive by leveling up and taking advantage of the special skill he acquired the previous night? His survival adventure begins now! *Source: Manga UP! Global*

It has been 50 years since a natural cataclysm unleashed a horde of monsters upon the Earth. In this new world, where effective human weapons do not exist, there are “first-class pioneers” who can transform themselves into strong warriors using the power of special crystals. Kuroki is a “second-class pioneer”, who surveys the areas where the monsters have been wiped out. Along with his partner Pomukichi, a small dog, he sets out to investigate an area outside Tokyo. But when he gets there, a monster appears…! Kuroki, a non-pioneer, has no countermeasures, until he accidentally discovers a crystal, and is transformed into a giant invincible dragon…? Source: Panini UK

The series centers on Haruka's daughter, who aims to be an expert in Akihabara culture. The story follows her relationship with a male "casual." (Source: Anime News Network)