From TJO:

The Kingdom of Granza is steadily building up their power and expanding their realm. Fleeing from their attack on her home, Faana and her companions hide in the woods, hoping to escape from the Granza military. However, as her group is hunted down, Faana is the only one fortunate enough to escape alive.

Half-dead, Faana somehow manages to travel several kilometers to the Kingdom of Cordeaa, where she passes out at a lake. Upon awakening 3 days later, she is surprised to find herself inside the castle of King Yogufu, the ruler of Cordeaa. Faana is even more surprised when she meets his daughter, Princess Orfina—the two girls are identical strangers.

The two become fast friends, but this happiness is soon overshadowed as Granza advances its campaign into Cordeaa...

This comidic story follows Tamako, an energetic young girl with cat ears and a cat tail (although this doesn't seem to be important), and her family. From a rabbit that comes out of a cooking egg to a bitter disgruntled teacher who writes children's manga, this manga is full of gags and laughs.

From Devious Breezes:

Uesugi Teppei and his father lives deep in the forest in search of a buried treasure. Isolated from society, Teppei became a wild child with no restaints until one day his uncle found him. Teppei finds out that he is actually from a very prestigious family with 5 siblings. For the first time in his life, he will have to attend school and live under his grandmother's rules. Can Teppei really adapt to his new environment?
It was also adapted into an anime that aired from September 12, 1977 to March 27, 1978.

Based on presentation from Chibi Manga:

Masumi is in love on with her childhood friend since a long time ago. But because of her pride, she can’t show him her true face...

Manga adaptation based on Kuroneko's story, which starts in the 5th light novel.

It's about a playboy who one day found a baby... And apparently, he's the father.

Spin off of the popular light novel, follows in 4 koma version the spats between the honor student Kidou Eita, his "handsome girlfriend" Natsukawa Masuzu and his "hyper active" childhood friend Harusaki Chiwa.

Rather than "a story" placed on a continuity, it's a bunch of 4' skits and jokes using the well known characters.

From Vices and Devices:

When his interior designer mom takes off to New York for a year, Toranosuke, dorky name notwithstanding, gets sent to stay with his uncle. And it's just his luck that Ryouji is obnoxious, violent, and has the same sharp tongue as Tora's mom. Only it turns out that he's not really that bad, and maybe Tora is falling in love (with his uncle, of all people), and Ryouji has a heart of gold underneath the bellowing and violence. Except that Ryouji's pretty much the worst guy in the world to fall for: he enjoys sex more than eating, has a commitment problem, and has long since convinced himself that he's really, really straight.

From Lililicious: Kaho struggles with her conflicting feelings towards her "princess."

From Ivyscan:
Consists of 4 short stories.

1. Orange Kiss
Kijima Aka had a dream. In the dream, she and an orange haired boy kissed under the setting sun. And that boy just so happens to be the guy who's in the same class as her, Shimizu! She always thought Shimizu had some kind of grudge against her because he seems to hate her. Will Aka's dream become reality?

2. Happy Words
The story of the past of the main characters, Saiko and Ichi, from "No. 1 Girl" in the tankubon Caramel Milk Tea.

3. Last Train Under the Night Sky

4. More Orange Kiss

Includes "Another Usami's Biography."

From Chibi Manga:

Her parents decided to go overseas and she's to live in the house of her father’s friend. "In that luxury mansion, there are beautiful boys!" she thought for a brief moment. But these two brothers are trying to get her out of the house and things happen to be taken a little too far...!?

Sarashina Tsumugi is a new transfer student who is thrilled to finally be able to go to the school her mother graduated from. It's still summer break, but Tsumugi arrives at the school early for an assembly.

Almost immediately after setting foot on campus, she encounters two guys and a girl arguing apparently fighting over a ring. The girl is trying to break up the argument, but her actions don’t help much. In the scuffle, the ring goes flying through the air and lands down Tsumugi’s uniform blouse! One of the guys pounces on Tsumugi, tearing her blouse open while chasing after the ring!

Shocked and horrified, Tsumugi slaps him and desperately tries to cover herself. What is wrong with the people at this school! Anger immediately sets in, and she yells at both guys, reprimanding them for their actions. Her anger is so fierce, that they immediately apologize.

Tsumugi learns that these guys are cousins: Ibara Chitose and Ibara Hajime. Although Tsumugi has a bad impression of them, it turns out that Hajime and Chitose are extremely popular. They are even related to the school superintendent and currently serve as co-vice presidents of the student council! And what's this being super close? After the scene earlier she knows they are nothing but liars: they didn’t get along AT ALL!

After finally reaching the morning assembly, she hears her name being called. Ibara Chitose, looking rather smug, has just declared that Tsumugi is their endorsed candidate for the next Student Council President! What will become of her peaceful school life!?

A collection of 3 short stories:

1) Steel World
2) Snake
3) The Wolf Eyes

A collection of six stories.

I. I'm Not Afraid of the Wolf!.
II. Occult Detective Group - Part 1.
III. Occult Detective Group - Part 2.
IV. Horror Angel.
V. Tonda Birthday Present.
VI. Ookami Nante Kowakunai!!.

The Antique Store Onohara Hall's owner is 16-year-old high-school girl, Yoshino Hara. One day, a guy who proclaimed himself as 'Conan', Ninomiya (age unknown) and two suspicious men dressed in black came to find a ring which had been stolen by previous workers!

From Stage Storm:

Tomomi is secretly in love with her classmate Sawada. But her love couldn't be fulfilled as Sawada is in love with another girl. Meanwhile, Ojika, the head of the broadcast club, is trying to win Tomomi's heart with his handsome voice. Finally Tomomi's gloom is driven away. She starts to see the hidden beauty of the things around her which she has never noticed before.

Yuuma Yamabuki has just moved to a new town where he meets Laira, a cross-dressing boy who asks for Yuuma's help. Yuuma must cross-dress to follow Laira back to his all-girl school where he meets the others in the Girl Research Society.

Tcmanga
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In the Otome no Omocha series:

Vol.1 - Otome no Omocha

Vol.2 - Zoku Otome no Omocha

Vol.3 - Otome no Omocha Sweet

A monthly webcomic about a young boy with an infectious disease called "Paperakyu".

1. Oyayubi Hime
In Japanese, Oyayubi Hime literally means Thumb Princess, but it is also the name used for the classic fairy tale Thumbelina. Our heroine, Kogami Madoka, is talented at massage (ie, she has magic thumbs), earning her the title of Thumb Princess in a different way than Thumbelina. She?s always giving free massages to her friends and one day she finally gets the chance to massage the boy she likes, Matsuoka. But, he runs away from her like he?s been touched by fire. Rumors say that Matsuoka hates to be touch by girls and he?s even violent about it. Will she be able to melt his heart with her ?magic fingers?? - From Evil Flowers

2. Vampire Darling
Torii Anna is a girl with no good qualities... really. Clumsy, bad at studying and sports, and kinda weird. When Anna trips over a guy lying on the ground, he suddenly tells her he needs to drink her blood. Instead of a normal reaction, Anna happily agrees?

3. Lovadrenaline!
Sakura and Kyou are stepsiblings. Sakura has only ever seen Kyou as a little brother, but is that really true? ... what about Kyou? The two teenagers are forced to face their feelings when their parents go on a 5 day trip.

4. Princess Romance
Ueda Lilla is a high-school student looking for a "mature love" - i.e. she's not interested in dudes her age. When her cousin sets her up on a goukon with older (24y) guys, she finds a hottie... but does he feel the same about such a flashy girl?

5. I always, always liked you
A story about childhood friends, unrequited love, and a new beginning.