Average, everyday Japanese gameaholic gets sucked into an alternate world where he has summoner powers and life keeps turning out to be like one big video game.

Yaida Masaki is a part timer, working as a janitor in a large publishing company. His hobbies include fantasizing about other girls, masturbating, and creating cosplay outfits for his fantasy girl: Oikawa Maiko. She is the daughter of the company president, and a far away existance for Yaida.

Recently, Maiko has awoken to her magical powers that were asleep inside of her, but she has trouble controlling them. More often than not, she ends up completely naked and either unconscious or unable to move. Maiko's mother has assigned Yaida to be her guardian and mentor to train Maiko to be able to control her powers. Will Yaido be able to train her to control her powers and become a proper magical girl?

Based off the popular Japanese PSP game, Photo Kano is about a boy, his interest in photography, and the harem that grows out of it.

Based off the popular Japanese PSP game, Photo Kano (or Picture Girlfriend) is about a boy, his interest in photography, and the harem that grows out of it.

From Lezhin:
A UFC hopeful, Kang Doo, gets banned from competition and finds a job as a security guard in the luxurious mansion by the name of Lady Garden; a mansion only allowed to the hottest women. As beautiful as these ladies are, various dangers lurk, and it's Kang Doo's job to protect these lovely women. Oh yeah, and saving women in need always comes with a hefty reward!

From Wasuretai:

For her birthday present, she wishes she could be an ordinary girl. She commutes to Rose Academy in Usuyami Town. She is Little, a beautiful 114-year-old vampire. Her brother Radou watches her, there's a werewolf servant Inukai, and the magical boy Shinji. The ghost that threatens Little's school life has appeared.

Adapted from the otome game: Princess Nightmare

There are some days when it'd be better to just stay in bed... so says Kazuma, an apprentice demon-hunter, on the day when he finds a strange creature in the forest. It's not a bloodthirsty monster, but a young half-human, half-dog girl. Just what type of creature is she? And why does Kazuma sees her at his school right after escaping from the encounter?

Story 1: Renai Joujou
Tsubasa, a normal teenage girl, promises to her dying grandfather that she'd fufill his last wish. However, it turns out that she must marry the heir of a tea ceremony school due to her grandfather's promise? What?! But, there are two heirs, so she must decide who to marry, or if to just run away from her problem.

Story 2: Ouji Sama no Himitsu (The Prince's Secret)
Yukasato happens to witness her school's prince, Matsunaga-senpai, rejecting a confession from a girl, and then freaking out by himself afterwards. Yukasato offers to be his girlfriend to help 'rehabilitate' him of his fear of girls...

Story 3: Rabu✩STAR (Love✩Star)
Ito and Kaho are childhood friends, Ito being the tyrant who bosses Kaho around, and Kaho complying (mostly because his mom asked her to). Ito is a star, but Kaho doesn't see him that way until he drags her along to a photo shoot of his...

Story 4: Chuttoshite Purisu (Kiss Me - Please!!)
Hinata and Jun have been dating for three months, but haven't kissed yet... Hinata discovers that Jun faints whenever he gets close to kiss Hinata!

In the Renai Chuudokuteki Senjutsushi series: 1. Senjutsushi wa Kujikenai - Renai Chuudokuteki Senjutsushi 2. Senjutsushi wa Koi ni Oboreru 3. Senjutsushi wa Netsuai Sareru 4. Senjutsushi to Majin no Shiro 5. Senjutsushi to Fukushuu no Koto 6. Senjutsushi to Saiyaku no Tsubo (1) 7. Senjutsushi to Saiyaku no Tsubo (2) In a certain time, in a certain land, there was a beautiful magician with long, trailing silver hair. His name was Liu Li Xian, a man whose beauty was so great and his magic so powerful, others believed him to be not of this world. However! He had a certain "illness." Which was that he really, really, REALLY liked pretty men. He found them IRRESISTIBLE! Liu Li Xian's grand adventure in seeking out prospective lovers begins!

Rewrite is set in the fictional city Kazamatsuri where treeplanting and afforestation have caused the city to become overgrown with trees and flowers in much the same way that other cities are filled by buildings. However, while most of the city appears to be rural, there are many traditional city elements as well. While set in a modern setting, the city also gives off a strange sense of nostalgia. The basis of the story is set in a high school setting.

From the back cover via Manga Abyss:

"My inheritance is a company that rents out magic users...what!?"

The extremely scared Iba Itsuki receives his inheritance left to him by his missing father: the Magic User Rental Company Astral. The magic users are rented out to customers to solve problems as requested.

How will Itsuki deal with the fate of being president when he's never studied mage-craft!?

Thirteen years ago a disaster occurred. Out of nowhere, a meteorite fell from the sky, and that's when everything started. First of all, there is said to be numerous people who vanished when the meteorite fell. Afterwards, according to certain reports, this was known as "spirited away".

At the same time, strange things happened. The sky filled with clouds, and a red mist shrouded the streets. And those terrible monsters had started to appear. A monster, in other words, a slave beast, one who has sold his soul to the evil king.

However, we must not despair, they have returned from the depths of the red hell, and in order to defeat the impending disaster they carry with them a gift in their hands.

"They have returned, the ones who posses the flash have returned to tear apart the fear."

A collections of one-shots that take place within the setting of the Heart no Kuni no Alice movie.

From Aerandria Scans:

"You've always belonged to me since long ago."
In order to get revenge against the enemy nation, who destroyed her own country, Hina decided to become their crown princess... However, she cannot help being attracted to Ashiru, who's supposed to be her enemy...

From Operation Boredom:

High school Student Kinugawa Kenichi is one of the members of the class committee and also the boyfriend of the super cute Ooumi Chiyako. However, one day, a new student, Kuwabatake Aya, transfers to their school, and demands that Kenichi be her boyfriend...?! Who exactly is this girl, and how does she know Kenichi?

From Tokyopop:

The year is 1921, and this is a Tokyo where monstrous steam-powered robots crash a flower-viewing party only to be cut down samurai-style by a young girl in a kimono and traditional hakama pants.

It's eight years after the horrific Demon War, and Japan is a peaceful prosperous place. Meet Ensign Ogami Ichiro, who has just graduated from the Naval Academy. He's assigned to a base in Tokyo, but soon discovers that his headquarters is the Imperial Theater and his first mission is collecting tickets at the gate.

He gamely goes about his menial jobs at the theater, surrounded by beautiful girls who seem to know a lot more about what's going on than he does, but he's about to be swept into a roiling world of robots, demons, and hot girls in uniform.

Sidestory of Seitokai no Ichizon.

Hekiyou Private Academy's student council members are decided through what basically is a popularity contest. Since good looking girls are admired by both sexes, unlike boys, the student council room became known as paradise. As the pillar of the student council, Sugisaki Ken seeks to create his own bishoujo harem due to his love of girls.

Haruhiko can't stand his tyrannical father, so he leaves home. The life of a super-rich high school student is difficult. By relying on his relatives, he ended up with a large debt... Even with his classmate Yoriko and his maid Nanako helping him out, things just keep happening in his unfamiliar economic lifestyle. It's a promise-filled, high tension, romantic comedy!

Mina, a Lieutenant of the Space-Time Vanguard Unit arrives from the distant future to interrupt Ichikawa's peaceful life with some upsetting news of how the world would end-up if he continues to pursue his affection about his little sister. The sound of the grim news doesn't seem though to deter Ichikawa resulting in Mina having to take any and every possible action to convince and if necessary seduce him!