From Chibi Manga:

Ritsuka and Kaze-kun are currently lovey dovey, but Aizawa-sensei who is extremely beautiful and has the perfect body just started working. Is Kaze-kun also excited over sensei’s enormous breasts? With the appearance of a rival, Ritsuka is in a bind!
I want to be my prettiest when I am in senpai’s field of vision…
Hayashi, Ritsuka’s friend is the main character in the extra story. This is an extremely happy compilation volume to the Koigokoro series!!

Compilation of short stories:

♥ KOI-MOYOU ~Sururi~ (Speedy)
Kanami agreed to date Hoshitani on impulse, but over time as she gets to know Hoshitani better, she learns that he slept with his ex-girlfriend, Sae, which makes her feel insecure. This is doubled when Sae's boyfriend, Takatou, kisses Kanami...

♥ KOI-MOYOU ~Tokubetsu~ (Special)
The popular teacher of the school, Sagara, finds a student, Nanami, looking for something in the grass. As he watches her struggle to find a lost object, he finds himself falling in love with her.

♥ KOI-MOYOU ~Kokoro no Akira~ (Whereabouts of the heart)
High school doctor Mai (24) has a "white robe obsession" as her first love was a doctor who treated her when she was 5 years old. She's currently dating a doctor, Konno, who she is deeply in love with even though she knows he's cheating on her. One day she finds someone who looks exactly like her first love.

♥ KOI-MOYOU ~Healing Love~
I was in love, and I was hurt to the extent that I would no longer fall in love... The guy I met was broken-hearted, too.
A friendship and love that started with a shared passion for books.

♥ KOI-MOYOU ~Himitsu no Koigokoro~

♥ KEINAIHIKARI

Includes 4 works that were published over span of 10 years:

1. 1 Gatsu no Merry-Go-Round
A high school girl has a crush on a boy two years younger, but she has always insisted she could never date a younger guy.

2. 3 Gatsu no Dai 2 Button
A girl realises that she likes her childhood friend whom she's always joked around with but never thought she thought of that way.

3-5. Onna no Ko wa Genki!!
About three fifth-grade girls (Chisa, Nanami, Yuula) who are best friends.

6. Basket Girl!!
About a girl who practices hard so she can be a starter for her basketball team's last match of the year.

From: http://kanata.dreamwidth.org/1308413.html

From Shojo Manhwa Scans:
Eunca is a third year (high school) drama scenario wannabe. Because she takes more time going to movies, its no wonder she cuts school. When she accepts a part time job in Taeruk entertainment (with her friends support), she thought her life would be perfect. Instead, her first day on the job makes her life crazy! She never thought of having a part time job in Min JiEun's as a fiance...it just can't be happening! With only her strong personality, would she survive...and maybe fall in love?.

Rin is commonly referred to as a tomboy and throughout the time, she's given up on being seen as a girl. It's not as if she doesn't desire it, not at all, and when Ibuki, a very popular boy reminds her that she's still a girl it hits close to the heart.

From Ouzoku Scans:
Towa always had the gift of sensing danger. One day, she gets a bad premonition about a boy. She, along with her friend Ririko, tries hard to prevent it from happening. What will happen next?

Tsukino frequents the rabbit hutch ever since Mimi went missing.

From Tokyopop:

When the school's two biggest troublemakers get into a tussle, there's nothing left for them to do but fall in love! In Love Attack, you'll find a rollicking brawl of a good time as the roughest guy and girl in school get themselves into trouble--and find themselves in love.

Chiemi Yusa's high-school record is far from perfect. She's already been suspended twice for fighting, and she's not even half-way through her first year! In danger of getting expelled for starting yet another brawl, her teacher approaches her with an unexpected offer: get her classmate Akifumi 'Deranged Devil' Hirata, the nastiest fighter in the whole school, to clean up his act, and her record will officially be cleared. Reluctantly she accepts, and immediately goes on the attack. But as she's waiting for him to retaliate, she discovers that he has more in store for her than just a fight! From the creator of Girl Got Game and Heaven!! comes a rollicking brawl of a good time as the roughest guy and girl in school get themselves into trouble--and find themselves in love.

From the author:

Spoiler (mouse over to view) This is the story of how Hirata-san (whom Kyou met when she ran away in Vol.9 Ch. 32 of "Power!!") met his wife. It was supposed to end after one chapter, but somehow it was decided that it would be continued.

It's a typical day for cat girl Raku-chan, but her life is about to change furrever when she meets a certain someone… On top of that, throw in a kidnapper, a rabid squirrel, and a busty nurse. Raku-chan's life is about to get pretty cat-astrophic!

From Chibi Manga: A volume that filled with cute and naive beginners of love. Yuna has fall in love at the first sight towards the baseball club ace Sanada-senpai. her friend always told her "he is out of your league". but there's no way she could just give up like that?

When a teenage country girl learns that a boy her age will be temporarily working on her family farm, love blossoms like a ripe tomato at the end of summer.

Dialogue-less oneshot.

N/A

One day, Aki Miyamoto's father decides that she must get married before he goes abroad for a work transfer. However Aki doesn't want to get married when she's only 16! A chance meeting with Shou Kusakabe will change everything. Will he be able to get her out of her dad's crazy plans? Will he successfully achieve his dreams? What will Aki do?

In a town where a lot of stray cats live a carefree life, there is a child who lives among them. His mother suddenly disappeared one day, and that abandoned kid found a white cat who had also lost her own children. Now, he's watched over by the townspeople and is living with his new mother cat like a real family.

From Shoujo Crusade:

Rumors have been going around about certain killings in a certain place. One night, Mito wanders into this certain place and encounters two suspicious people who speak of demons who come out at night.

The next day in school, she discovers the two of them has transferred into her school and class! Will she get caught up in what looks like shady business that happens after dark!?

Included one-shots: Okotoba desu ga, Oujo-sama; Hime no Kotonoha

Sayoko is a newly transferred student: gifted with rare beauty and mysterious and magnetic charm, she captures every student's attention. Among them, the introverted Yuiko and the grumpy Mari become friends with Sayoko, while Ryou, a known womanizer, wastes no time and tries to hit on her, unleashing his girlfriend's rage.

Note: Won the Shogakukan Manga Award for shōjo in 1983.

A collection of stories:

1. Hatsukoi Harinezumi (First Love Hedgehog)
Sora Onodera discovers he can use magic one day when he accidentally turns his older brother Riku into a hedgehog. Sora learns that his parents and brother can also use magic, and that he acquired the transformation spell because he's experiencing his first love. Now the only way to put Riku back to normal is to acquire the magic to undo the transformation, which has the condition that he must first get the girl he likes to tell him she likes him back.

2. Life for Life

3. Uno x Uno
Despite Mai and Yuu Shindou being fraternal twins and opposite sexes, they look very similar to each other and are surrounded by people who want them to act more like twins, such as wearing matching outfits or clinging more to each other. Amid this, Mai starts to realize that both of them are starting to change as they start going through puberty.

4. Simple Hot Chocolate

Adapted from the children's novel Bootleg by the British author Alex Shearer, story centers on two 13-year-old boys who live in a country that has banned chocolate and mandated fruits and vegetables for daily consumption. The boys discover a stash of cocoa and sugar and decide to run a bootleg chocolate factory, in complete defiance of the government run by the oppressive Good for You Party. Their misadventures eventually sparks a revolution in the country.

From Shoujo Crusade:

"If you read a message to the east aloud while you pour hot chocolate into a cup, a fairy of love will appear to fulfill all your desires!" It says so on the heart on a cup that Kaede has just bought. Said and done! Mirumo has arrived to change her life!

This manga series was awarded the 2003 Kodansha Manga Award and the 2004 Shogakukan Manga Award for children's manga.