Nanri Ryusuke has transferred schools three times this year because of his parents’ divorce and he is determined to make a good impression at this new school because it appears that he's staying for good this time. However, his seat is in front of the weird girl in the class, Fujimori Miya, who claims she is a witch and who everyone in the school avoids. Miya, for some odd reason, takes a creepy interest in Ryusuke and makes him the subject of all her crazy experiments and spells.

The series is on hiatus since late 2012 due to the author's health issues.

It opens when a mysterious strangely dressed person who the kids mistake as a new transfer student enters a peaceful classroom. Much to their surprise he is their new homeroom teacher, among other things…

— By the author of Saiki Kusuo no Ψ Nan

When Satoshi Kashiwabara went to Nichoume, he fell in love for the first time with Nichoume's prince; a known playboy. But right after they kissed, he received a message saying his father was in critical condition and left the hotel. However, a few days later, he found himself living with his step-brother, who turned out to be the prince himself!!! It's a romantic comedy about step-brothers suddenly living together knowing they can't be together.

A semi-autobiographical manga depicting the daily lives of a husband, his tsundere wife and their two sons.

From Yaoi Sekai: A serious student, “Shiraishi Makoto” is brutally abused by his parents and yet he longed for his parents’ love. However, he didn’t want anyone to know about his secret until one day, his classmate - Fudou, an a heir to a wealthy company - found out about it. To keep him quiet, Shiraishi is willing to do anything to satisfy Fudou, yet Fudou forcefully asked Shiraishi to have sex with him.

"I like you, you like him, and he likes someone else." Everybody has an unrequited love.

When a mysterious boy who always holds a black book in his hands sleeps he dreams grotesque things.

4-koma about a girl and her scaredy-cat brother who move into a seriously haunted house.

Yuuki Kimino is a very boyish-girl who saves girlish-boy (and crossdresser) Izumi Junichirou from a train molester. Jealous of his "girl-power", Jun-chan agrees to coach Yuuki on being more girly in hopes that she too can be called cute. However, despite being a girl, acting and dressing like one might be a little tougher than she'd think.

From Wildflower Scans:

Tomaru Harukaze is extremely shy and terrible with any kind of social interaction. His worried mother sends him to live with his grandparents in the countryside—born and raised in Tokyo, Harukaze worries he'll have trouble adjusting, but that's not the worst part: he will be starting a part-time job at Restaurant Bell, where his grandmother is a regular customer! Not only will he have to learn to interact with customers, but he'll also have to learn to get along with his quirky coworkers.

A story about two kids who go to Tokyo after their mother died and their stepfather kicked them out of the house. In Tokyo they meet up with a fellow orphan named Shigeru Ito. Thus begins their cynical tale of laughter and depression.

From Dan of Population GO:
Based on the light novel of the same name, Kishimine Kengo has avoided playing video games his whole life in a society filled with it. Instead, he prefers the comforts of books of which he has a tendency to get drawn into the story, perhaps a little too much. Every time he reads a story he unintentionally imagines reliving the story as the protagonist. When Kengo learns of the Modern Game club fate may let him use his imagination for another medium, video games.

Mizuhara Ritsu loves both the 2D beauties of eroge and elementary school students. Also, his friend Bungo is jealous of how he seems to be surrounded by cute girls--there's his little sister Miri, his tsundere childhood friend Akari, and kuudere Hatori.

One day, Bungo tells Ritsu about an anonymous blogger who writes about the future, and whose vague online self-description seems to match Ritsu. While initially assuming it to be a prank, Ritsu ends up letting his actions be guided by the blog's horoscope-like hints for the upcoming day...

Chapters 1-8 are the Akari arc. Chapter 9 is where the time loops to the beginning. (Hatori arc starts at Chapter 9). Chapter 13 is the Miri arc and consequently the next story reset.

From Tokyopop:

A rude girl and an effeminate boy switch bodies and find that it might be a better fit for both of them in this crazy comedy:

Nanako Momoi is the belle of high school... as long as she stays quiet. Once she shows her true self, guys' dreams are shattered for she is a true tomboy. Akira Uehara has the looks and brains, but, unfortunately, his personality is so dull it overcasts a shadow, and nobody notices him.

One day, Nanako's grandfather comes up with a crazy invention, and Nanako and Akira trade bodies! She's in his body, and he's in hers!

This volume spinoff offers a new ending to the original series. Will Akira and Momoi switch back into each others bodies? Also included are a few one-shot stories.

The high school romantic comedy manga centers on Aizawa, a high school girl who is in love with her classmate Azuma, but she doesn't talk much in school. In the train station, Aizawa says something completely unexpected to him.

From Chibi Manga:
Because she loved the word "wisdom", Rui hated the words "waste" and "fuzzy". One day, a guy named Shou appeared in her life. And thanks to that encounter, Rui will suddenly change... And that's the beginning of a "rainbow school daze" between that super dry girl and that careless guy.

Kotori-chan and Hi-chan promised to marry each other when they grow up. But 10 years forward, the only one who’s actually “grown” is Kotori-chan, while Hi-chan still looks like a grade schooler. Hilarity ensues.

It was supposed to be his most lucky day ever right? so how did he end up dying? And if he's dead why did he wake up in a lab with a strange girl who says she wants to examine him? Not only has his hair turned white and his eyes red, but he can't seem to be wounded by anything. So much for a lucky day huh?