Kiyosumi thought that Ayabe had been rejected by a boy, but really Ayabe was just waiting to confess to Kiyosumi.

There is an invisible wall that separates otaku like Mitane from the rest of her class. When the class decides to go with a western maid style for their cafe, however, she gets the chance to use her cosplay skills to make outfits. After getting paired up with the serious but cute Kana, she can't help but dress her up in the cutest outfits. It isn't long before Mitane gets carried away and reveals her cosplay habits to Kana. Kana's reaction is very different than what Mitane expected, however...

"Original" doujinshi by the circle GracheGrache.

A boy loses his parents in a supernatural disaster known as a "Curse" and is then adopted by the Tsuchimikado family; a family that exorcises curses. Ten years later and the boy has become the head of the family and now goes about exorcising curses all the while trying to balance his job as an exorcist and his life as a student in high school.

From asdf scans:

A bunch of love problems surround her life. Futamura Umiho is a girl with a weak personality. A new flower is about to bloom! A fresh and inspirational story is blooming. A love between flower and thunder!

An extraordinary luxurious, legendary school that evokes envy! A complicated student life will now unfold! Finishing her studies abroad in England, Cai Ying and good friend Gong Liang Hui are traveling on Eli Academy's ocean liner to return to school. At the pier, as they are preparing to board the ship, they run into a mysterious pretty boy who is being pursued...?

Yukino Shiroi is the new cute girl in class, the kind of girl Kyousuke Kai can only dream about. Yet somehow they wind up going out together. It all seems too easy. But the girl has a secret: she draws the most ecchi manga he's ever seen. It's hard to say what will explode first, his heart, his mind, or something else...

Each of this manga's chapters features a new girl. The first chapter starts out with Ichikawa, who mysteriously has a shounen manga show up on her torso each week, a malady she shares with her male classmate, manga-fan Aoi. The second girl, Kawamura, notices that a boy in her class is suddenly being duplicated!

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.

Fifth grade. The threshold of puberty, and the beginning of the end of childhood innocence. Nitori Shuichi and his new friend Takatsuki Yoshino enjoy happy homes and loving families, and are well-liked by their classmates. But they share a secret that further complicates a time of life that is awkward for anyone: Shuichi is a boy who wants to be a girl, and Yoshino is a girl who wants to be a boy...

An anthology of short horror stories by masters of this genre. The tone tends to vary between tragic, grotesque and humorous, making for a wide-ranging mix.

A collection of stories:

1) Beautiful Days
Asahi was taken under the care of Natsume when he was nine after his mother left him. Natsume has a penchant for taking in abandoned pets, and bringing lovers home as well. Asahi finds his feelings for Natsume growing by day, but his love appears to linger on a one-way street, unanswered.

2) Beautiful Sunday

3-4) Beautiful Life

5) Another Life

6) Kyou Anata ni Wakare wo Tsugemasu
In this tale of broken hearts and deception, three young men are caught in the protagonist's web of revenge. Will the unknowing victims be consumed or is it the weaver of the web who will face the final retribution?
- Blissful Sin

7) Ashita Kimi ni Ai wo Sasayaku
Years after a personal tragedy struck his life, Mei struggles to deal with its implications as an innocent bystander is sucked into his tangled web. Told from Mei's point of view, this story falls some time before the conclusion of its prequel, Kyou Anata ni Wakare wo Tsugemasu.
- Blissful Sin

8) Yesterday We Will Embrace Our Sins
The conclusion to the heartbreaking love tale of deception between Misato, Mei and Satoshi, told from Satoshi's point of view.

Yozora starts her high school days at the Moonlight Academy, a school that specializes in music. She is chasing after Umiyuri-sama, a girl with a heavenly talent for singing.

From Shoujo Crusade:

[It's okay to be a servant, I want to be by your side...!]
[You'll treat me really really well?]

Mayuri, a girl who wanted to be acknowledged as herself shares the same room with her senpai, Akira who is the student council president and a beautiful person envied by others. But, Akira has a big secret...?
Somehow, her real self is a "boy"!?
Moreover, he makes a petition of wanting to be Mayuri's servant...?

Thus, the wonderful room sharing life of the domineering (!) beautiful girl, Mayuri and a boy wearing girl's clothes who's also a bit of a trickster (?) Akira starts.

Takamiya Satoru's lyrical love comedy.

From Shoujo Crusade:

After breaking up with their respective exes due to certain circumstances, Nono and Kazuma suddenly find themselves in a relationship. How much does it really take to make things work?

From Shoujo-Sense:

Nono (15) dislikes flirty men because of previous experience, so she wants to date a serious, honest guy. When Akkun (25) confesses to her, it's like a dream come true. But does he really love her?

Yu, who passionately love tropical fish. In a new life of highschool, she met a boy who keeps meddling her, Yoshiaki, and his childhood friend, Saori, a girl that can't be honest to her feeling. Aquarium as a trigger, their feeling entangle and cross each other.

Saku Ooyagi returns to his old town after seven years and becomes reacquainted with a childhood friend, the ever-boisterous Mihoshi Akeno; but the reunion is far from merry since his last piece of memory between them is of her falling off a tree and him diving to save her. Regardless, Mihoshi focuses her all into improving their tattered relationship and forces Saku to join her astronomy club.

Basically this manga is about an astronomy club, and slapstick school life comedy as Mihoshi changes Saku's life.

Sequel to Nozo X Kimi. In their second semester of high school, Nozomi and Kimio are in the same class again, still on their quest to help their schoolmates face their own private true-self. Nozo X Kimi migrated from Shonen Sunday S to the much more popular Weekly Shonen Sunday but, instead of being continued from where the previous serialization ended, a second season was started.

A short 11 pages one-shot by Suda Kanon.

Maeda and Sakuma catch each others eyes every now and then. At the last day of school before summer break, they say 'see you later' but it doesn't really end up that way.

From Winter Translations:

It's love at first sight when the princess of industrial development meets the prince of special advance family! A story about first love that gets your heart puzzled and pounding.

Shuuya Inukai is a model student at a high school who one day attracts the attentions of an ojou-sama, Kantori Isuzu, when she realizes that he is bearing, on his forehead, an X-shaped scar...that was also present on her pet dog's forehead...which leads her believe that Shuuya is actually the reincarnation of the said animal. And now Shuuya's days as Isuzu's pet begin.