From Aerandria Scans:

A mermaid and the illness called “love,” an easy-going young company owner and the “forest spirit” he encounters, and more – four entwining fantasy stories in Kamata Kimiko’s magnificent and yet delicate style.

1. Mermaid Syndrome

2. Next Green

3. Android Cherie

4. The Harpies And The Princess

4.5 Cheries After That

Tachibana Sousuke is a handsome honours student who runs into a spot of bad luck one day: he loses his glasses, then his wallet, and to top it all off, almost misses out on lunch while blundering about half-blind. A guy he bumps into in the cafeteria helps him out, but since Tachibana can't see him clearly and the kid runs off before he can ask a name, he's forced to enquire after him from a classmate, who names his saviour as "Kijima."

Thinking of the kind, cute blond from another class, Tachibana begins to write the other boy erotic letters and leave them in his shoe locker. But a misunderstanding about kanji readings results in him instead slipping the increasingly lewd missives into the locker belonging to the school's "cursed black cat," Kijima Subaru...

Volume 1 Extra: Kenen Love Battle
A story about two businessmen who appear to be rivals on the surface but are actually lovers.

In the fifteenth century, when the French and English were at war, there appeared a woman claiming to be a visionary of God. She was Joan of Arc.

He can open any door or lock and steal anything his customers want as long as they pay the fee, so people call him "Key Jack."

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A short story called Meiou Hades is included in v. 1: Amano Yuuichirou was hit by a car. When he next opened his eyes he found himself in a dark world full of monsters—and a young man with snow-white hair and jet-black eyes.

Arisawa Kei’s life seems rather bleak until she notices a strange man staring at her on the way to school. Hakamada Ryuuhei, an En specialist who can see and tie or cut threads of fate, tells her that she has “death-bringer” threads on her hands. But what does that mean to Kei, who doesn’t believe in En or luck?

Sasafune Koyama is a young writer who decided to visit his grandparents for a change. When he was waiting for their return, he stumbled onto a weird wooden box filled with a manuscript titled Kakutei. It's actually the unfinished work of the ancient writer Chidori Yukimura who died from sickness at the early age of 29.
Kakutei is an inn hosted by Amanan, who lives on the life force of their guests, mainly people who get pulled into the world inside the manuscript after reading it. Unfortunately Sasafune is quite weak in body, so he won't be a very good 'food supplier.' That's why they decided to let Sasafune go as long as he brings another guest to the inn.

Includes Extra Story: "999 Banme no Hana"

Moonlight Flowers: a classic yuri manga about a woman who leaves her husband for an old friend from school. The story is told in two parts--one from the married woman's point of view, and one from the friend's point of view. The last chapter is a short story called Midnight Flowers.

"Please be an idol only for me" says Hattori to Nazuna. A cute love story of idol and her manager.

From Sound of Jewels:

Tsukushi bought a charm necklace online so she could have better luck with guys. When she started wearing it, it seemed to work out fine, but little by little the necklace started to turn black...

Ikeda Masaki, called Ikeuchi by his friend, is a college student living alone with his little sister, Minami, who is in grade school, after their father suddenly left one day leaving only a note behind. After thinking about dropping out of university to work and support himself and his little sister, Ikeuchi was encouraged by his best friend, Kanda, who currently has a job after dropping out himself, to continue his studies, and if ever the need arises, Kanda would be there. Ikeuchi believes that even if misfortunes come, as long as he has friends and family, they will be happy.
As time goes on, Ikeuchi gets any part-time job he can get to pay the bills. He eventually forgets Minami's birthday, but is saved by Kanda, who not only remembered it, but bought a gift that the little girl really liked. Ikeuchi notices strange behavior on Kanda's part sometimes, however, he pays it no mind.
One day, Ikeda gets a job that requires him to leave home for a while, so he asks Kanda to stay with Minami. Kanda intially furiously refuses, telling Ikeda not to depend on him all the time. When Ikeuchi is about to leave saddened, Kanda reluctantly changes his mind. After he finished his work at a hotel, Ikeuchi returns earlier than expected because he believes that his little sister is missing him, as she called him to inquire about the time that he will be coming back. Since it is late at night, he does not phone her when he gets off the train, but heads straight home instead.
Ikeda goes to Minami's room as soon as he walks in, and knocks on the door. She is surprised that it is her brother, and when he opens the door, Minami screams hard for him not to enter. What Ikeda sees there shatters everything he believes in .

Because of a certain incident, Sado Tarou learns that there is a problem with his body. He derives pleasure from girls doing "this" and "that" to him. To cure his body, and so that he can confess to his love "Shihori Hime", he approaches the Voluntary Club- a school group that tries to fulfill students' wishes. He goes only to find Isurugi Mio, a girl with the gross misunderstanding of being a god, and Yuuno Arashiko, the most hated existence for Tarou since she is the cause of his problem...

Collection of short stories:

• Polka Dot Fabric
She might be tall, but high-schooler Fukagawa Yori likes pretty dresses. BUT, the guy that she likes says, "They don't suit you." What a trauma for our poor Yori! One day, our Yori ends up modeling for a fashion show...

• The Love Affairs at the Somagi's
Umino Kujira answers an ad for a live-in housekeeper at the home of two brothers named Somagi Takumi and Arata. She's given a trial period of one week for the job.

• Michibiki no Tsue (The Staff of Guidance)
Hotaru is training to be a "staff" - someone who guides spirits wandering between life and death. Her first case is Koizumi Otoha, a girl who loves piano, but cannot choose between staying and going from the world.

• Wish Upon the Stars
The planetarium in Konno Momiji's town is closing, so it's offering free performances for a week. Momiji goes and meets one of her old middle school classmates, Hiiragi Kiwa, who is working part-time as a commentator at the planetarium. They start hanging out and Momiji becomes more interested in both the stars and Kiwa...

A man sees a girl with a raincoat on one day while he was playing his guitar in the streets. Later on the man meets the girl on the streets and he takes her home.

All the chapters contains the same characters but each chapter focuses on a different set of characters.

Awkward relationship between high-school boys, Sunohara and Shinomiya.

From MangaHelpers:

The water polo team at Kamakurahama High School has a new ace player, Torii Ushio, who you wouldn’t expect to be a star athlete if you knew her in the classroom. Nakaoka Riku always took her as a shy person but after seeing what she can do in the water and how fast she can swim, he couldn’t deny that she deserved to lead the team. But late one day after practice, Riku finds out that Ushio has some secrets she has been keeping from everyone. Her family runs a temple and Ushio is the priestess to the dragon god. The descendent of the original dragon god is Sango who is a teenage girl who is the same age as Ushio. She lives in a secret underwater cave and her only friend is Ushio whose role is protector and companion. Through a series of events, Sango joins the water polo team to be close to Ushio and amazes the team with her out of this world swimming ability. [vyc]

Minami is cursed. Every time a guy she likes gets close to her she starts to feel bad and sometimes even throws up. She knows that she is cursed because of a nightmare that she keeps on having about a girl who’s asking her to “give him back”. “Give who back?” Minami asks herself. In the end, her only lead brings her to Kouki, her ex-boyfriend. The nightmares have started after they broke up.

1) Houkago wa Koi no Yokan
Sarara has been going out with her first boyfriend for over a week but they haven't progressed past going home from school together. Kawatori is a year younger, tall and cute, a little weird and quiet, but she knows that he's a very kind person and loves his sweet smell. She adores sweets and cakes, and regularly visits her favourite cake shop, however Kawatori says that he doesn't even like cakes! With Christmas approaching and Kawatori saying that he's too busy to see her, is Sarara right in thinking that he's not really interested in her and is already cheating? What's he being so secretive about? Will they ever be able to have the sweet Christmas together of her dreams?

2) Yuuwaku Danjon
Natsumi has been by Ryo-kun's side for years and still didn't confess her feellings. He's an year younger than her and tries to get to Keiou university, tall, cute and a bit unsocial. When she brags about him to her friends everything goes wrong. Will they ever be together?

3) Yozora ni Kiss
Hitomi is the leader of the culture festival committee. Since she is transferring, she wants to do something special for the last time. Matsunaga-kun, the chairman, helps her planning. Hitomi has feelings for him, but she isn't brave enough to tell him. She sticks with making memories of him, but what happens when he doesn't want her to transfer....

4) Powder Snow ni Kiss

5) Tokimeki no Private School

From JShoujo Scans:

Falling in love with him was her biggest mistake... After being badly bullied in junior high, Kazu's sworn off getting deeply involved with other people. One day though, the resident class playboy, Kirishima, comes and tears down the walls she's built around her heart. She finds herself falling quick and hard...but is she only setting herself up for heartbreak?!

Volume 02 contains the oneshot "Key Point"