It's a different world where puberty is the result of a butterfly-like metamorphosis rather than simple growing up. Sometimes it goes wrong...

At the very moment the Prince cancels their engagement, the Duke's daughter, Letícia Gramwell, recalls her former life as a culinary lover. Much as she hates being run out of her own country, the abandoned Crown Princess resolves to go to the kingdom next door, spending her days in the royal palace with the king, surrounded by fluffiness! But one day, after meeting and feeding a beautiful silver wolf, the King's attitude gradually started to change...

Mira peacefully resided in a magical world until a blow to the head caused her to partially remember her previous life in Japan. The protagonists in reincarnation stories always end up having to deal with trouble, which is the last thing she wants. Alas what awaited her was the selection exam for a magic academy and naturally her special cheat ability was discovered then.
A fantastical tale of a reincarnated girl who doesn't want any cheats.

From MangaHelpers:

After a god screws up and accidentally takes high schooler Shou's life, he offers him reincarnation with a gift to make up for it. Shou asks to retain all his old memories for the new life. Shou is reborn as Will, a noble's son in a world where magic use is common and involves knowledge of kanji characters. With all his memories, he's a brilliant toddler, and when he experiments with magic, he finds that he has an amazing talent for it! What's more, though he was smart but unloved in his old life, in his new life he has a mother and a father who both love him deeply. His future as Will is looking very bright! [tethysdust]

From Girls' Generation Scanlations:
Yuiko is an average high-school girl who just has one wish: for her lips to stop being chapped and become smooth and soft! By a chance encounter, she enlists the help of Sugimoto Mana, the school prince who is one year her junior. Can Mana help Yuiko with her dry and chapped lips and will they also find love in the process?

Note: Featuring the children of a couple from Hidaka's I Hate You More than Anyone (Sekai de Ichiban Daikirai) manga.

Consists of 5 short stories.

In the play of life, all Hikaru Takabayashi wanted was to be part of the scenery. Tormented by jealous schoolmates ever since she appeared in a famous commercial in grade-school, Hikaru transfers to a prestigious all-girls' academy where she hopes to settle down to a quiet life of anonymity. But when her new roommate turns out to be the super-popular TV idol Izumi Kido, Hikaru finds herself thrown smack in the spotlight's glare once more! And as if living with a celebrity wasn’t bad enough, Hikaru discovers that there’s more to Izumi than her “good girl” image—she’s a he! And this is only the first of Izumi's many dangerous secrets! Now Hikaru’s the unwilling star player in a madcap tale of deception, abduction, humiliation and blackmail...

From Esthétique:
Tenko, a girl who always went to an all-girl school, after making friend with a stuffed dinosaur who also speaks, decides to try the entrance exam of a mixed school, previously an all boy school, because she fell in love at the first sight with one of their students: Madoka. A cute and lovely story about a first love!!

From Viz:

Megumi Amatsuka, a rough and tumble nine-year-old boy, always dreamt of becoming the "manliest man on earth." Upon receiving a book of magic from a sorcerer whom he saved from a group of local thugs, Megumi summons a genie in order to make a wish. But due to a sick twist of fate, the genie turns out to be an evil one, and Megumi winds up being the "womanliest woman on earth"! Six years later...Megumi is the most desirable girl in school, but deep within her hot-mama façade is the same trash-talkin', punk-stompin' boy.

In a rainy spring day, first year high schooler Midori Saejima saw a tall, handsome fellow student take care of a stray kitten. Without knowing the boy's name, she fell in love with him at the first sight. Due to sickness, Midori returned to school three days after summer vacation -- only to find out that she was "volunteered" as a candidate for student council. After a series of embarrassing accidents, both she and the mysterious boy she had a crush on, Akira Sudo, were elected as members of the student council. Being the first student council of this newly established high school, they are about to create "new traditions" for their school and a bittersweet love story for themselves.

[From Storm in Heaven]:

Sei Kagano has an angel gene, which gives the bearer special powers. For Sei, every time he smells roses, he transforms into the White Maria, a heavenly lady with the power of prophecy. Malloy, who bears the angel gene that turns him into the Black Maria, has hired men from the United States to eliminate Sei so he can continue on his quest to remake the world. Three guardians, the male modelling unit N'est ce Pas, go undercover to protect Sei. Two of the guardians, Toki and Kishou, also carry angel genes. Toki, however, seems to be more attracted to Sei than a guardian should be...

1. Sensei to, Uwakichuu
Hana is in extreme shock over the fact that her boyfriend cheated on her. When confiding in the Kudou Sensei from the school infirmary, he plays with her hair… Are you trying to comfort me? When she was trying to leave, he asks an impossible proposition "Would you like to have an affair with me?"!?

Hana who became limp from those words was asked "Are you anemic?" I’m not! He says we should just have an affair to kill time, but Hana doesn’t understand him!!
- Chibi Manga

2. Ouji na Geboku no Aishikata
Juri has always admired Makoto-senpai as a 'cool beauty'. One day, she accidentally overhears senpai's girlfriend breaking up with him which then she realizes, senpai is actually an M?! Even though shes caught by Makoto-senpai, Juri is so heartbroken over her now shattered image of senpai, Juri slaps him then runs away. But the next day, senpai...?!
- Intercross

3. Shitsuren, nochi Bon'nou
Ume's boyfriend suddenly breaks up with her and in an atempt to forget him Ume wants to become a monk. But at the temple that somehow ends up being the home of her ex she meets her ex's little brother Kojiro ...

4. Tenshi ni Kiotsukero!
When Mana introduces her new boyfriend to her childhood friend, Shion, he changes from the sweet angel she's always known into a little devil!?
- Intercross

5. Chokotto Mirai de Machiawase

6. Sensei to, Uwakichuu ~Extra~

Botan Ichige has just enrolled in St. Asmaria All-Girl's School where angels are said to live. It turns out that angels do indeed live there, and after an accident, an angel named Un offers Botan her halo as a snack. After eating it, Botan discovers it had some bizarre side-effects, causing her to regularly "give birth" to colorful mushrooms. Is this the life of an angel!?

In olden Britian, Orland, who is in search for the key to becoming King, meets a beautiful priest by the name of Ethelred, who is on the verge of being killed as a sacrifice. Now begins the dangerous adventure of these two, who have met in a chaotic world surrounded by swords and spiritual beliefs...

From Aerandria Scans:

Haruka, a devil who entered a school for Angels, made a contract with a strange angel Haniel, and became a knight of the school. On a mission to stop the prophecy of a “great catastrophe,” he cannot leave the school and instead has to cooperate with others, like Lilith, an angel with red wings to figure out just what is in store for them.

This story set in Europe 1889, is about a young girl named Marie Alexandrin who is a normal, innocent blond with an immense crush on the good looking Crown Prince Rudolf. On a trip to the library with her mother, she manages to accidentally liberate a handsome young magenta haired demon by the name of Set from an old book in which he had been sealed, and as a thank you he decides to do something for her - whatever she wishes.... Extra Stroy: One Snowy Night

From Shoujo Manga Maniac:
Three manga adaptations of Takarazuka Revue productions:

Turandot: Loosely based on Puccini's opera of the same name. After Prince Calaf's homeland is destroyed by war, he flees and lives the life of a vagabond. After hearing rumors that his long lost father has been spotted in Beijing, Calaf makes his way there.

Angel's Smile, Devil's Tears: Loosely based on Goethe's Faust. The fallen angel Mephistopheles resents humans, believing them to be unworthy of God's love. Determined to prove himself right, Mephistopheles sets out to corrupt humans and drag their souls to hell, starting with Dr. Faust.

Hot Flowers of Valencia: After Napoleon's invasion of Spain, three rebels don masks and rise in revolt against French rule.

This is an action & criminal story of a mafia, but the hero is an ordinary housekeeper.

When Takashi Nagumo was a high-school student, he was attacked by street gangs. Luckily, a very impressive & strong guy, Ryuusei Kuragano, saved him. After three years, Takashi becomes a housekeeper and is suddenly involved in the money trouble of his friend. His friend escapes with a large amount of debt and he made Takashi his surety. Then the yakuza take Takashi to their office and demand that he work at the house of the head of the yakuza as a housekeeper until his friend could be found. Takashi meets Ryuusei again there...

This volume contains 11 stories.
Tenshi no Kyuu:
He likes to watch women's butts from below when climbing the train's stairway. One day, his favorite girl fell and landed on him butt-first, breaking his arm. She then offers to cook for him while he's injured for a month.

[Taken from PRISMS]

Collection of Short Stories:
One story is about a pair of lovers who are always quarrelling and who won't admit that they're suited for each other. But their future daughter comes and helps them realize their love. There are also two early City Hunter stories in this book.
1. Tenshi no Okurimono (The Angel's Gift)
2. Ore wa Otoko da!
3. Neko-manma okawari
4. City Hunter - XYZ
5. City Hunter - Double Edge