From Eternal Heart:

Mai dreams of being a rock star, but her band suddenly breaks up. Then, in front of Mai who's on the brink of losing hope, appears an unfashionable guy who says he likes her voice. With the help of this dull-looking guy, Mai gains some popularity, but wait, that guy is actually...!?

From Chibi Manga:
"Yu-chan I’ve been wanting to see you this whole time, I’m presently going to Tokyo..."
Mugiko is a very energetic girl that was raised in a rural agricultural village within the mountain area. In order for her to see Yu-chan, who she was extremely close with when they were children, she transfers to a school in Tokyo. It has been three years since Mugiko has seen Yu-chan, but when they meet each other again he treats her coldly. Mugiko is shocked by this, but a very kind prince type boy appears…?!

Also includes the following:

Countryside Girlfriend
A continuation of Toukyou Kareshi told from Reigi's point of view.

Tatami 4.5 Mats Lovers
Ume indirectly saves a guy from being beaten. The guy turns out to be Ninomiya Hikaru, a rich guy who later transfers to her school. He tries to get Ume to fall in love with him, but Ume wants nothing to do with him.

It's the year 2020 AD, and Tokyo II is a city infested with crime. Women can no longer go out in the streets alone without being victimized. Not wanting their daughter to suffer the same fate, Tsukasa Kozuki's cop parents raise her as a boy. When they are suddenly killed by one of the yakuza's in-fights, Tsukasa is left orphaned on the streets along with her three brothers.

With no other options, she goes to the only person she can think of for help: pokerface Ryuji Shirogami, her classmate of 8 years and also the head leader of the powerful yakuza group, Kuryugumi. Ryuji, whose father was also a victim of the same yakuza fight, agrees to take her on as his personal bodyguard. As they set out to find their enemy, Ryuji slaps an increasing amount of debt onto Tsukasa, using all manner of ploys to keep the reluctant Tsukasa by his side.

1) Mint de Kiss Me
There is a legend that if you kiss the man you like with a mint candy in your mouth, you can become one with your love. Misono is a rather superstitious girl who decides to test this out on Tohno-sensei, a young teacher she has a crush on. Unfortunately for her, she makes a mistake in the attempt to surprise him and instead kisses her fellow classmate Shindou. Of course this would be the time for the legend to work quite literally as Misono’s spirit enters Shindou’s body.

2) Genseika
Chiya goes to school with her friends and witnesses one of them die suddenly as a flower bursts out of him. The three friends had been together since elementary school, the death hitting Chiya and Yutaka hard. When other people begin dying from the flowers, they investigate possible reasons for such usual deaths. To her surprise, she finds answers close to home.

3) Furimuke Romance!
The hero of girls targeted by guys peeking into the locker room, Taka has quite the violent tomboy reputation. But all she wants is for some handsome guy to ask her out. A cheerful street vendor, Ryouta gives her a special ring with a heart locket pendent to hold pictures. When two photos are enclosed, romance is in the air.

4) Hang in there Nakago
Involves the scenario where Fushigi Yuugi was actually done by real actors. Unfortunately, Nakago (stage name) is a lot more unconfident than the character he plays. At least his one main fan, an unnamed woman with flowers, is there to support him through his worries.

Moriguchi Orito is transferring to a new school, but being lost in the fog he can't find his way to it and ends up bumping into a beautiful girl and got struck by a vision of her in a very sexy pose. Seeing him with his cellphone in his hand, she thinks he took a picture of her and runs away crying, "My life has ended!", dropping her own cellphone in the process. Finally finding his way to the school, he realizes that it's full of very weird people, and that his new seat is next to an empty desk where a bag is hanging with the same strap as the one on the cellphone the beautiful girl dropped...

Tank has a different version of chapter 7 due to additional pages.

A collection of short stories:

1. Hissatsu! Madonna Densetsu
Himeno's met her match in beauty, but it just so happens that Mikoto is a guy!

2. Gekikara Baby!
Hokuto is a strong girl who hates playboys. You'll find her reason why.

3. Tekken Baby!
Maki is hiding the fact that she's abnormally strong from her boyfriend, Chigusa, who isn't the type to be strong himself, but she doesn't have anything to worry about?

4. Fire Baby
Hino is very passionate about her table tennis, and won't stop until she beats anyone who insults her beloved sport!

5. Tennen Bad Boy
Kiyoka knows something about Amano-kun that no one else knows.

The guy who helped Mari, could he be Mari's ideal man?! Mari is super excited to have finally found her Prince Charming, but this guy, Chiaki, unfortunately has a dual personality! Due to some family circumstances, they start living together, when his mischievous personality appears and unfortunately snatches Mari's first kiss! Who is that man? What has she given him?!

From Nagareboshi Manga:

Mai Kojima is a slightly ditzy sixteen-year-old, but she's gotten her first boyfriend! They've been dating for three months. Even though they should be at their most lovey-dovey, they haven't been able to make out at all… That's because her boyfriend Yu-kun is a super exam-taking student aiming for Tokyo University. Every day is an uneasy one, without much hugging or kissing.

From ShoujoMagic:

Ever since he was small, all the girls in the neighborhood have fawned over Tsutomu Yamaguchi, whose name came from a song and whose adorable face closely resembles the monkey character Monchichi's. Even back then, it was enough to make his friend and neighbor Mikako sick. Now that he's a little more grown, Tsutomu looks like the lead vocalist of Manbou, Ken Nakagawa (Midori friend/boyfriend from Tenshi Nanka Ja Nai; we meet main characters from Tenshi on market/fest), and that makes him even more popular with the ladies. But Mikako--now a trendy teen with modern sensibilities--couldn't care less. Or could she...? Gokinjo Monogatari is a sharp-witted and stylish slice-of-life story!

Continuation (after years) in Paradise Kiss.

From K.I.S.S.:

Coming to earth to live the high-school life he's always dreamt of, Hirito finds himself in a bathroom on top of a naked girl! It turns out she goes to the world renowned Konoeghara Academy. Hirito is shocked to find the school only consists of seven students in total! Why in the world does the one of the most prestigious academies in the nation only consist of seven pupils...?

From Nagareboshi Manga:

There's a jinx at Haruru's school - if a couple sees the blue train at 6 am together, they'll be together forever! But if a couple sees the blue train at 10 pm together, they'll break up!
Haruru is going out with Nagi, a boy who goes to another school, and their love is just starting to blossom. But what happens when Haruru happens to see the 6 am blue train with someone else?!

From ShoujoMagic:

Story 1: Automatic Angel
Serika, a high-school student, is known for being a well rounded girl with an attractive face and figure. She is clear-headed and has a talent for sports. But she's an... android!?

Oneshot: The Winter Was Trying to End
Tale of a high school professor and student.

Gorou has a crush on his older stepsister Haru. Unfortunately for Gorou, Haru happens to love teasing him sadistically in every way possible.
A 4-koma comedy about their wacky day to day life and interactions.

Hoozuki-san Chi no Aneki - Nano Shucchouban and 2 chapters of Hoozuki-san Chi no Aneki - Nano Branch are included in volume 3.

Much to her embarrassement, the shy Mashio-chan wins a set of couple tickets for the amusement park. She feels at a loss for what to do since she has always been bad with men. So what will happen to her when the drama club president Katokura Aki suddenly declares that he would erase her awareness...?

Hinako is in her second year of junior high. In her third trimester, she has to move to a big city because of her father's work, and she has misgivings about fitting in... But that's not the worst of it! -- The school she transfers into used to be an all-boys school, so now there are only two girls in her class including her!?

Misaki Aguri is the only girl in the Judo team, and she has a crush on the Captain. One day one of her friends tells her of an old Chinese magic. That if the wears the same pajamas as her crush, that she will appear in his room! Just slide his picture under your pillow and TADA! However, things don't go exactly as planned...

This was Yuu Watase's debut piece.

From Yen Press:
Michiru Kita’s a weak-spirited girl who has a hard time saying what’s on her mind. One day, she notices mysterious, ring-like markings around the necks of two of her classmates, Chika Akatsuki and Shito Tachibana — two boys who miraculously survived a horrible accident six months before. Michiru, possessing the rare ability to see these rings, knows that they warn of impending death. Thinking that, perhaps, she can do something to save her classmates’ lives, she approaches them…but it seems the boys have already made a different kind of deal and garnered themselves a heavy debt.

The male lead has gynophobia (fear of woman) due to a traumatic experience. Following the recommendation of his sister, who is a nun with little brother-complex, he enters a previously all female school that now has a 9:1 female to male ratio. Then the queen of the school demands that he work for her as her secretary! How will the gynophobic guy cope working so close to the queen?

One day, Nao's father suddenly announces shocking news! Because his friend helped him with his debts, Nao's father agreed to have Nao and his friend's son engaged! Nao is furious with this agreement and transfers to her fiancé's school, Kaei Academy, in order to make her fiancé break off the engagement. But how can Nao force her fiancé to break it off when she doesn't know what he looks like?! Join Nao in her quest to find her "husband-to-be"!!

From etc:

Eiko is something of a plain Jane and a doormat, while her best friend Moe is a head-turning beauty. Despite their differences, their friendship is as strong as ever.
Guys are always asking Moe out, but her answer is invariably "Only if you promise to put Eiko before me."