The story takes place in the middle of the 21st century when global warming has turned Tokyo into a tropical city. To reduce the temperature at the heart of the city by 5°C (9°F), the city is being reborn as the world's largest forest city. However, despite the flow of refugees to the new city of Atlas, there are not many residents who can actually live there. Moreover, anti-government guerillas are attempting to stop the forestation.

An unknown girl has moved into a supposedly "haunted house" in a seemingly normal neighborhood. However, the girl and her "father" turn out to be Americans escaping from the government and settling in Japan to avoid being detected by the CIA and the US military.

The kingdom of Sergei has a problem. The creatures of darkness known as Phantom Beasts have been appearing with increasing regularity, and attacking the populace.
Allemande, the Second Princess of the kingdom, has been tasked with keeping the peace. In addition to her impressive skill with the sword, she can also use her talking teddybear partner Maro to summon her own Phantom Beasts when things get too rough.

From ShoujoMagic:
A collection of short shounen-ai stories by Mizushiro Setona, all connected by the theme of plantlife.

[STORY 01] (English Title) Breakfast (Japanese Title) ブレックファスト (Romaji Title) Burekkufasuto
The tale of a boy who displays the symptoms of man-eating syndrome.

[STORY 02] (English Title) The Tale of the Ring (Japanese Title) 指輪物語 (Romaji Title) Yubiwa Monogatari
The tale of two boys who are dating each other and mutually hiding the fact that both are dating their teacher, who frets because a ring has been lost.

[STORY 03] (Japanese Title) Honey β
The tale of a flower that blooms by inhaling memories. But even if our memories are taken from us, some precious things are never forgotten. "I don't fear losing my memory if I can feel this way again tomorrow..."

[STORY 04] (English Title) Undying Illness (Japanese Title) フジノヤマイ (Romaji Title) Fuji no Yamai See "Mister Mermaid," story 2.

[STORY 05] (English Title) Aconite (Japanese Title) トリカブト (Romaji Title) Torikabuto

A while ago, an amazing chef was sent packing for a mistake that he didn't commit. He promptly left the cooking world to the underground. Today, still shunned by the establishment, he survives as soldier of fortune. If you have a bad restaurant, if no one else can help, and if you can find him, maybe you can hire: THE Shoku king.

A collection of oneshots.

From Chibi Manga:

In that world, there are popular people and not popular people. That’s what that Miya-kun told Rui (17 year), who is not popular, after he dumped her. But what kind of girl will replace her…?!

Himoto Sora is a transfer student with a sense of justice and dreams of becoming a knight. Upon arriving at Utopia Gakuen, she learns of a virtual reality-like game played by the male students in which they use girls as weapons in battles for status and treat them as commodities. Seeing one of these girls being abused she steps in and through some sort of error unwittingly becomes the first female participant of the game.

Republished in 2017 in a 3 volume omnibus
1) Shitsurakuen - Hangyaku no Otome no Shou
2) Shitsurakuen - Shinai no Otome no Shou
3) Shitsurakuen - Rakuen no Otome no Shou

From Evil Flowers:

1) I should have...
En Asakura often has the same dream lately. She dreams of a boy asking her to kiss him. Her dream is connected to a painful memory from her high-school life, when she felt in love with a boy named Maru. When he asked her to kiss him, she refused, and now she's regretting it. Not to mention that the boy started to date another girl after that incident.

En is now in university and is trying to find her life partner through goukon: blind group dates. What will she do when a boy with the same name as her past crush asks for her number? Will she refuse and regret it again?

2) The Realization Of Happiness
Continuation of the preview chapter.

3) After School Kiss

4) Tell Me You Love Me

5-6) My Friend's Boyfriend

From Sumie:

A love story between two souls separated by their stations in life, in the form of a tattoo.

-----

"Even if we stopped seeing each other, my soul would always be with you."
A man visits a certain tatoo artist. A vivid love story of surreptitious, yet intense longing of two souls.

Chapter 1: Shirube no Michi
Mao's life is far from normal: she attracts spirits and constantly has to keep her father from losing his soul! One day, she meets a man who claims to be a "guide for lost souls" and explains that he has come for her father!?

Chapter 2: Illusion Orangery
Mao's still working for the mysterious spirit guide. One fine day, the smell of oranges lingering in the air accompanies our young psychic on an odd game of hide-and-seek in a haunted house.

Chapter 3: Heaven's Fairy
Shinobu’s plans for the summer are ruined when her mother sends her off to her grandparents' countryside home. Bored and friendless, she prepares herself for a joyless vacation, but soon discovers that she has something in common with her grandfather: something quite magical!

Chapter 4: Foxfire
Miya knows she was found abandoned at a shrine and adopted by her current parents. Though she lives a happy life now, her birthright comes calling on her one day in the oddest of fashions.

Chapter 5: Box
"As long as these white walls confine me, I am safe."

Chapter 6: Angel's Ladder
The twisted - but oddly touching - relationship between a healthy and normal girl and her sickly and spiteful older sister.

Note: These oneshots ran in different magazines categorized as josei, seinen, or shoujo. The majority of them were josei, hence the demographic of the series.

From inmeliora:

Eight years ago, Mio, the princess of the White Kingdom, and Sakuya, the second prince of the Dark Kingdom, became friends when she got lost in the forest and Sakuya helped her. They were friends until one day, three years ago, she was sucked into a hole and went missing, and Sakuya is determined to find her. In the three years since her disappearance, he became friends with her older brother, Rui, the second prince of the White Kingdom, even though their two kingdoms don't get along. One day, while joking around, a hole opened up in the sky and a girl fell out of it. Sakuya had dreamed this would happen, but who is this girl and why did she fall into heaven?!

Ririko lost her parents and siblings in a mysterious incident where details remain in the shadows. Before Ririko moves to her new home in Kaminoshiro, a detective gives her a letter that her father wrote before his death, which contained a card with a black and white checkered pattern on it. At her new school, Ririko becomes friends with Maya and has some interest in a male student named Shirou. She questions about the black clock tower that stands in the center of the town, but no one bothers to answer the question. Her new life in her new home seemed all as well until one day Maya calls Ririko out and takes out the same checkered card that Ririko was given to her and she summons some unknown creature! As Ririko is in confusion as to what's going on, Shirou appears and says "Not another one..." What's going on around here?

Follow the friendship of Tetsu and Gorou from the Koushien to adulthood.

From Stage Storm:
Seiko is a normal girl with a tendency for daydreaming, and Yoshito's a fairly sensitive, subdued boy. They've been close friends since grade school, and now that they're in high school, their feelings for each other become complicated. Though all of the diverse array of characters in the story seem to see it as plain as day, Seiko does not realize Yoshito would like to be more than friends.

From Aerandria Scans:

Shiro is a white crow. Because of his unusual color, he's often bullied by the other black crows. One day, he's hurt badly because the others ganged up on him, and he was saved by a girl. Moved by the girl's gentle heart, Shiro asked a devil to let him turn into a human. However, there's one condition: Shiro will have to do at least one bad deed a day, otherwise, his body will crumble. Can Shiro really fulfill this contract?

In this direct sequel to Shiritsu St. Cattlya Youchien, we follow the story of teacher, Kuroda Shuuichi, and his adorable students as they move up to elementary school. Excited to be moving towards becoming a real teacher, Kuroda leaves the preschool only to learn that his new position is the elementary school with his old students. The incredibly unique kids are back including the Fuurin and Katori twins, the cheerful Miki, the shy Tsumugi, calm and collected Nazuki, and the panda hat wearing Daniel. The adorable yet weirdly mature children will capture Kuroda sensei’s heart once again.

A one-volume work containing 4 stories total, including the title work "Shiranami no Illusion"

- Shiranami no Illusion
Ryo is a boy who loves flirting with girls. One day, he met a beautiful girl named Touko by the beach. Ryo is soon deeply attracted to Touko, but because of an incident where her fiance died in a tragic accident, Touko locked up her own heart. How is Ryo going to help Touko leave her sadness and pain?

From Wasurenagusa:

As a child Tanabe was always tagging behind Haruyama, but in high-school after he became a ping-pong ace their relationship is gradually getting worse. Who is the one tagging along for real and why is Tanabe always so quiet? A touching and yet funny story with ping-pong as its background.

This volume also contains a one-shot about one very interesting hairdresser and a two-chapter story about a dentist and his fated client.

From Tokyopop:

Legends say that when it snows, it is because the snow princess is crying. A collection of five tragic tales, all connected by the bond of snow. Shirahime-syo is CLAMP's tribute to traditional Japanese form and storytelling.