Two years ago, Shibuya was ravaged by a biological terrorist attack using the deadly Ua virus. Maria Osawa was saved when her father inoculated her against the virus, but is left with partial amnesia from the shock. Now working as a cameraman, she reunited with her friend Canaan in Hong Kong. Canaan is an assassin gifted with synesthesia, and she's being targeted by the terrorist squad Snake. Meanwhile, numerous groups converge on Hong Kong, all after either Canaan or Maria.

Taken from "The Story So Far" part:
Anna Molmoque has become a doll meister apprentice (Dolce), something that she's admired ever since she was small. Excited, she was taken in by Dollhouse Casseiopeia, but the place is filled with people who are a little strange.

Looked after by the manager, Elsa Vuleria and the co-manager, Olga Black, Anna witnessed the two kissing! Olga was just waking up the sleeping Elsa with a kiss, but that was the first time Anna saw two girls kissing, so she was surprised!

Fujisako Aiko is a nice but somewhat solitary girl attending the beautiful and isolated Enishida Academy, a boarding school on a lush, walled-off island. One day while wandering through the island's woods, she peeks out from behind some trees to to see two foreign-looking girls around her age in a forest clearing.

One is cold and pretty. Another is cheerful and happy. In spite of their differences, Aiko soon finds out they are sisters from a royal family from another kingdom! Swept up into their luxurious surroundings and their large household of brothers and sisters, she is happy with her new friends. But what is this subtle wrongness she senses from time to time? And how come she feels so drawn to the obsidian eyes of the coldest sister of them all?

[From Lililicious]:

In "Cherish" a girl struggles to come to terms with how her friend has changed.

Valentine's Day is coming up, bringing both sweet and sad memories for Nana and Hitomi

A series of disparate but interwoven stories.

I Can't Tell Anyone
Haunted by the games they used to play as children, Hasegawa Midori struggles with her attraction to her now adult male cousin, Seiji.

I Won't Tell Anyone
Midori's sister, Minae, learns about her sister's marriage plans.

Everything Is Under One Sky
How Minae's relationship with her boyfriend began. When Minae finds love where she least expects it, she learns to see her surroundings through different eyes.

I Still Can't Tell
Minae asks her sister about the reasons for her breakup.

I Wan't to Tell Someone
A story on how Minae works up the courage to congratulate her sister.

Suprise Call
The office lady Mei gets an unexpected phone call.

Ending
Two working women, Tsugumi and Mei try to keep their lesbian relationship a secret, only to find it threatened by the world around them.

This story is about the two-person broadcasting club at a girls' school.

Kanan and Iori are a couple with a strange relationship. Iori always asks Kanan to physically hurt her.

'Ebisu-san and Hotei-san' is about two female office workers. Initially Hotei is not pleased when Ebisu is transferred to her branch, but gradually those feelings begin to change.

Anthology of girlxgirl stories related to school life. Many of the artists here appear in Yurihime also. Volume 01: • Love Lunch Deluxe, by Fujieda Miyabi • Little Garden, by Benjamin (Kuromasa Shisei) • Coincidence, by Teramoto Kaoru • Words to Transmit, by Minamoto Hisanari • A Dream of Chrysanthemum, by Miyakoshi Wasoh • The Staffage of Mikage Street, by The Office of Satou Akitoki • The Apple and the Ribbon ~ A Tale of Blood, by Sumino Hirune • Croquis, by Takenashi Eri • Boku no Rit-chan, by Shouji Haruka • Triangle, by Hirowa Nagi • Younger Sister ~ Kyun, by Masuyama Kei • Miura-san and Me, by Kindaichi Renjuurou Oneshot from Mermaid Line • Final Battle!, by Uchimura Kaname • Nini (Novel), by Yakadan Sakana Volume 02: • Ameiro Kouchakanwa, by Fujieda Miyabi Chatting at the Amber Teahouse prologue • The P.E. Storage Room Romance, by Mucchiri Muunii • Your Name, by Minamoto Hisanari • Water Garden, by Benjamin (Kuromasa Shisei) • The Paper Piano, by Karyuu • Some Glittering Day, by Inoue Shinkai Pops and Pops 2nd sequel • Hana no Yurina Gumi, by Koume Keito • The Long Far Road, by Hakamada Mera Oneshot from Yoruzora no Ouji to Asayake no Hime • Let's Greet Each Other With a Smile, by Miyakoshi Wasoh • Bound and Open, by Izumi Yuu • About The Punishment, by Uchimura Kaname • Let's Eat Together, by Kimuru • The P.E. Storage Room Romance, by Mucchiri Muunii

From Horobi no Michi: Astarte and Towa are two girls who act as "Undertakers," people who deliver the final messages of the departed to their loved ones. In addition to trying her best at her job, Towa is also attempting to deal with her growing feelings for Astarte, and there's also the question of their shared past... Note: On hiatus

Aya and Hiromi are students at the same nursing school. Aya has known from a young age that she is a lesbian, and when she falls for Hiromi, the two of them end up becoming a couple. Thanks to Aya's influence, Hiromi begins to come out of her shell and stand up to her strict, controlling parents. However, her newfound rebellious streak could spell disaster for their relationship...

A collection of stories featuring young girls:

1. Ichigo Ichigo Ichigo (Strawberry Strawberry Strawberry)
This story is about a girl in love with the school nurse.

2. Kumo no Ito (Spiderweb)

3. Yuki no Ashiato (Footprints in the Snow)

4. Meishou Misettei (Untitled)

5. Mujintou e Motteiku Nara

6. Shikeidai no Elevator Girl

7. Hitotsubu no Umi (A Drop of Ocean)

8. Hoshi ya Sumire no Koto Bakari (Just Stars & Violets)

9. Mizufuusen, Kingyo, Ramune (A Water Balloon, a Goldfish, and Ramune)

10. Chanoma no Hana (Living Room Flower)

11. Yuki Bara Beni Bara

12. Suzuran Techou

From Kotonoha:

One rainy day, the young woman Natsuki encounters a high school student in the street. Acting on an impulse, she gives the girl her umbrella and walks away. It turns out later that the girl, Michiko, is the younger sister of Natsuki’s sister’s newly-married husband. Even though Michiko has a difficult personality and doesn’t open herself to others easily, she seems to be attracted to Natsuki. Thus begins an unusual friendship between two unlikely characters who need each other more than they first realize…

The main story (Cotton) was released as four chapters. There are also four additional stories:

Story 2: Creature
Story 3: Asa no Kodomo
Story 4: Tegami (Letter)
Story 5: Zange

From Lililicious:

Aqua Blue Cinema is about an actress and a girl she meets through unusual circumstances.

Girl's Ride is about the relationship between the athletic Nan and the klutzy Sei. In chapter one they meet, and Nan admires Sei's motorcycle.

Shouko wants to kill her friend Akkii. Akkii wants to kill her friend Shouko. How come? Because they love each other so much! This is a story following the romance between two yandere high school girls.

From MangaHelpers:
Since their mother's death, sisters Tomoe and Mikage have been mostly raising each other. The older sister, Tomoe, is determined to get good grades and work her way into a good college. However, she's disturbed by the trouble Mikage sometimes gives her. For instance, at the beginning of the manga, Mikage sneakily locks a collar around her older sister's neck, forcing her to go through the day wearing it. Mikage wants Tomoe to think only of her, and her affection may be beyond sisterly love. However, at school, Mikage has made a new female 'friend' that has a serious crush on her. The two sisters have their separate lives at their respective schools, but their life together and their relationship may be most important of all.

Lucrezia, a noble vampire, has come to Japan to seek the supreme blood. However, when she encounters a poor shrine maiden named Inori, Lucrezia might have gotten more than she bargained for.