A romantic comedy involving Souji Shirosaki a student, who is in high school, whose personality can not leave out people in need. And Ichino Moritsuka, 16, a friend in the same class as Souji, who lives alone in an apartment near the mountains. Together, they discover they have strange psychic powers, founding a club game.

From AnimeWaves:
Shindou just became a new investigator for Tokki: The Special Mobile Investigation Force. On the day of his graduation, he finally saw the half-naked girl that he had always saw in his dream in real life and finds out that she's part of Tokko: The Special Public Safety Task Force. Shindou ends up joining Tokko to avenge his parents' deaths, whose bodies were ripped into pieces...

From Angry Fox Scans:

The story is about the Himenokouji twins named Akito and Akiko who got separated due to certain circumstances and after years of living apart they suddenly began to live under the same roof once again. Things were fine at first until Akiko began expressing her love for her older brother. Now Akiko must fight to defend her extraordinary love for her Onii-chan as she battles against all odds and three other girls who are after her beloved Onii-chan.

Good Ending follows the main character Utsumi's interactions with Kurokawa Yuki, a member of the school tennis team, in order for Utsumi to confess his feelings to the captain of the tennis team.
It is implied that the title of the manga is derived from the "good endings" that are achieved in visual novels.

Yuusuke is a guy who loves flat-chested girls. On his first day in high school, he meets the girl of his dreams who is also his sempai, named Momoka. She asks him to join her club, which is in trouble due to the lack of members. Despite his childhood friend’s warning, he decides to join the notorious and mysterious club…

Yamada's parents have gone abroad. Worried about him staying alone, they hired a maid to look after him. The problem is that the maid seems to be a delinquent who takes her job very seriously. Nothing will stay the same for Yamada anymore.

Promo comic by Artlim Media for the second season of the Freezing anime. Recap of Freezing season 1.

From MangaHelpers:
Ichijo Kazuya thought that he was murdered, but when he came to, he was back in his high school days. He lived his entire life as a playboy and had had countless sexual encounters with women until that fateful day that he was killed. He realizes that his murderer was his old high school friend Tanaka Masaki who was jealous of Kazuya’s relationships and his built up anger eventually exploded.
Taken back 15 years into his past, it seems that he has been given a second chance at life and given a chance to make different choices. He decides that the way to prevent his eventual demise is to make sure Masaki is more successful with girls and loses his virginity before Kazuya. But fate seems to be steering Kazuya towards the path of his previous life and keeps introducing the same girls he had sexual encounters with.

From MangaHelpers:
Suddenly finding himself in the Sengoku era, regular high school student Sagara Yoshiharu is about to be killed in the battlefield. He is saved by none other than the man who later becomes the infamous Toyotomi Hideyoshi but at a cost to his life. With history completely changed because of Yoshiharu’s actions, he tries to make things right again but it seems that history is taking a different course than the one he learned in school. Oda Nobunaga is now a brilliant but young girl named Oda Nobuna. Yoshiharu starts working under her command to bring back history to its correct course and find his way back home to the present world.

Having upset the president of the student council and embarrassing her in many different situations, Tsukasa is forced to do a small "punishment" by the president.

Part of Otoco Daughter Comic Anthology ~ Forced Hen ~

From Tokyopop:
When you come from a family of exorcists and mediums, you're expected to have certain powers. But despite having a psychic lineage, Kouhei Midou can't predict the future, nor can he see dead people. He's powerless in every sense of the word. However, he does think fast on his feet--and with a little help from his psychic cousin Seiji, he's an amazing crime solver.
The mystery he wants to solve more than anything is his mother's tragic disappearance. But it isn't easy... especially in this world, where nothing is as it seems. Cats talk, blood-sucking vampires roam the earth, and monsters eat guys like Kouhei for breakfast. Can Kouhei survive this chaos long enough to find the mother that he's lost?!

Planet Shaolin -- considered to be the origin of all the space martial arts. And on this planet is the holiest of holy lands for space martial artists, the Kunlun Mountains. And on top of Mt. Kunlun is the Space Shaolin Kunlun HQ. And at this very Shaolin Headquarters... if you go way, way down to the very base of the mountain, next to the entrance you can find a shabby dumpling shop, where our heroine lives...

Sakura (a down-to-earth chick), Akane (a loli), and Yuriko (an otaku) have been friends ever since they met in high school. They all wanted to become teachers and now that they've grown up somehow agreed on living together. The story depicts their lives as teachers.

Oneshot from NisiOisin and Kawada Yuuya:

A boy suddenly wakes up to find out he's in the body of a high School girl. Who is she and how did he switch bodies?

Walkure Romanze's story revolves around Takahiro Mizuno, a student studying at an academy with jousting as its main focus for sport. Takahiro acts as an advisor to the riders of the sport. Takahiro goes through each day tediously until the time of the annual competition draws near. Due to some odd circumstances, his childhood friend Mio Kisaki is enrolled into the competition. As she has never even rode a horse once in her life, Takahiro senses the fear in his friend and becomes Mio's coach.

Stories of Beautiful Fighters from the Queen's Blade franchise made to suffer crushing defeats by various opponents. The events of all these stories are entirely non-canon and left as 'What If' possibilities instead.

Ayase Yukiya is a university student whose cousin Tetsuo Ishii betrays him and sells him in an auction to settle his heavy debts. Ayase is bought by Somuku Kanou for 1.2 billion yen. The reason behind Kanou doing this is Kanou remembers Ayase from four years ago, when Ayase, a stranger, helped him. Now Kanou wants to keep Ayase close to him in order to protect him, and uses the 1.2 billion debt to force Ayase to live with him. As Ayase is still a student and does not have a job, he is forced to sell his body to Kanou for 500 000 yen a time.

From Cidsa:
A spaceship lands on a bathhouse which belongs to Kazuto's family. Inside is Princess Warukure (Valkyrie) who gives part of her soul to Kazuto to save him from death (caused by her crash).

Since she only has half of her soul, she turns into her child self. Now Kazuto and company must figure out how to fix the bathhouse and change Warukure back to normal.

Nurunuru Pharmaceutical’s leading product, the Piagra, helps men bring up and maintain their sex drive. To further develop their research, the president of the company has hired a succubus. Known for their sexual drive and ability to manipulate male sexuality, the employees imagine a very foxy woman. But when they see that the succubus is Yamashita Madoka, a young innocent looking girl who is just as pure as she looks, they don’t know what to expect. Will Madoka be able to contribute anything to the company even if she is a virgin?

From the Animeraider:

Have you ever read a manga and thought to yourself, "Why the hell did he do that? It's not what I would have done. I could do better!" Well, now here's your chance. This manga changes storyline depending upon choices you, the reader, make. Have fun!