From Slightly Sarcastic:

Sugawa Raika is a pretty normal second year in high school... except for her unhealthy obsession with good-looking boys. When she meets Tamaki Jun, a boy at her school, she is just as determined and boy-crazy as she's ever been. But Raika has met her match in Jun; he smiles sweetly at her advances, telling her nicely that he is, in fact, not from planet earth!

An alternate universe story starring the yuri couple of "Kannazuki no Miko" and "Kyoushiro no Towa no Sora" fame, Chikane and Himeko.

In this series Himeko is a nun who leds a peaceful but lonely life, having lost both her parents and her beloved older sister.

One day she finds a girl hung inside the church, impaled by a sword. The girl, who strongly resembles Himeko's dead sister, is still alive and calls Himeko's name. She reveals that her name is Chikane, but she has a memory loss about everything else.

From that moment, Himeko starts to be targeted by a group of people who want to obtain the "Dragon Cry", which is said to be hidden inside her body. Chikane (after trying to know Himeko "more intimately") vows to protect her.

Yamanouchi Kouya, the daughter of a famous author, is a shy young girl just starting middle school. She is named class representative along with Kannatsuki Yuuya, a boy she met on her way to school who frightens her a little bit. They are trying to work together, but he always seems mad at her and she is painfully shy. The thing is, Yuuya knows something that Kouya doesn't know yet—that her famous father is going to marry his mother!

Collection of short stories: - Maple Love Two college students become friends, but one of them has fallen for the other.. - Love Letter A girl asks her friend to give a love letter to a boy for her. Too bad she has no idea her friend is in love with her... - Cycling Under a Starlit Sky - Kawaii Anata (Your Cuteness) This is about a boyish girl who doesn't think she's cute, and her love interest, who does. - Winter-tinged Thoughts Shizuru is in love with Matsuri, who in turn is in love with Aya. Oh, dear. - A Lunch Made with Love Retells some of the events of "Winter-Tinged Thoughts" from Izumi (Shizuru's best friend)'s point of view.

From Chibi Manga:
A girl who dreams of fated meetings - Kizuna. The one she met in a suspicious western-style house, the "Yuurei Library", was a good-looking but demon-like young man - Ruu. On top of that, Ruu has an unbelievable secret...! A cursed love hidden in the masterpiece "Romeo and Juliet". Searching for a new ending, the gears of fate have started to move--!?

From Covenant of Darkness:

For 10 years Saika has done everything she can to get close to her love Keishi. She followed him to the same high school, joined the same committees, and even changed her outward personality to become the right match for Keishi. One day, looking for Keishi in the special section of the school, she runs into the school's trouble-maker Kirisaki Shin. As he begins to bully her, her true personality comes out: loud-mouthed and violent. To her dismay, Kirisaki decides that he likes that kind of girl. Lovey Dovey is the story of Saika's trials and tribulations in a love triangle at a school where "Love is Prohibited."

When Fujii Nanami comes across a group of delinquents beating up another boy, her first instinct is to run away. But forgetting what she saw is harder than it seems, and when she goes back to treat his wounds, she finds her fear of him beginning to fade as an unlikely friendship springs up between them...

1-3) Tsumasaki ni Kourozu
Iwai Arata was recommended by his professor to work part-time under a rather eccentric mycologist, Murota. The mycologist seemed hard to approach at first. But slowly as he got used to Iwai's presence, he became friendlier in his own way, showing Iwai a whole new world and giving him guidance with life. Though every day was fun and exciting, a sense of unease began to creep into Iwai's heart
- from Echochi Scans

4) Lingering Light (Tsumasaki ni Kourozu - Extra)

5) A Fish's Warmth
Hirotaka has a secret. When people fall asleep, he sees fishes swimming out of their bodies, wandering and playing, and going back when they awaken. But, the deeper one's secret is, the more solitary he becomes.

6) Excursion at Midnight (A Fish's Warmth - Extra)

7) August, End of Summer
When Haruhiko's grandfather dies, he stays behind in the old house for the memorial service. Left with regrets of lost time, a mysterious boy, and forty nine days in the countryside, Haruhiko finds himself accepting the oddities and discovering a beautiful place.

8) The Coming of Summer (August, End of Summer - Extra)

A spin off from the main story.

Shinobu is a school girl that possesses the powers of an exorcist. She lived with her grandfather, who has died. leaving his church to her. It was her grandfather that helped her control her power in order to use it in service to the church. Now that she is alone, an uncertain future is before her. But wait, the new transfer student, Rihito Konoe, suddenly declared that he is a disciple of her grandfather's and that he will be aiding and protecting her. What is strange is that she doesn't remember her grandfather having a disciple. Who is this person really?

She has a secret little notebook filled with her goals and thoughts of him..?

1-4) Yuzu has never had any girlfriend in his entire life. So when he starts going to college, he vows that he will find a beautiful girlfriend. But instead, he ends up getting the unwanted attention of 2 guys who are serious in making Yuzu their own (respectively). And so, what happens next?

5) Kou invites Yuzu for a photography trip.
Not scanlated.

A series of "bishōjo"-centered manga booklets that were released weekly for a short time in Japan.

The manga would come packaged with a limited edition plastic-figure assembly kit, designed by Ohshima Yuki, of the featured character of the week:
Volume 1 - New! - Figure for volume 1 - Mion
Volume 2 - Two! - Figure for volume 2 - Ashita
Volume 3 - Hot! - Figure for volume 3 - Harusame
Volume 4 - Why!? - Figure for volume 4 - Sonome
Volume 5 - Bye! - Figure for volume 5 - Eruron
Bonus volume - eXtra! - Figure for bonus volume - Tetora

There is a conspicuous absence of the brothers (oniichan) of the title, as only the little girls are 'portrayed.

Amazawa Izumi and Mashiro Aya meet at the Amazawa Girls Academy. Aya was hired by Izumi's father to get rid of the "Midnight Ghost" a mysterious apparition which appears at midnight. Any girls who meet it fall into a deep sleep and won't regain consciousness. Aya gets on Izumi's nerves with her carefree attitude, but can they overcome their differences and be successful? What other poltergeists await them? How will their relationship develop?

A boy sleeps in on his important day. His head is filled with memories as he rushes to their meeting point. Will he make it?

1) The Restaurant of Many Orders (Soko wa Chuumon no Ooi Ryouriten)
A young woman frequents a certain French bistro. She would really enjoy the food they serve if only it weren't for the bossy chef owner. "You may not like me, but I love your food."

2) Invisible Girl in Love

3) Matryoshka
As each doll is opened up to give another one, so does each memory containing his feelings towards her.

4) The Selfish Couple

5) Drops.
A series of interconnected vignettes depicting how something as ordinary as rain can alter the course of people's lives.

N/A

Andou gets an envelope passed to him in class that contains an erotic picture belonging to Kagaya Jin, the mysterious half French transfer student. A short, bittersweet tale from the Meiji era.

High schooler Mao is excited for her first Christmas with her classmate and boyfriend Takeuchi. They have been dating since summer. And according to her friends Christmas is an event for first kisses...?!