It's about Yakushiji Teruki, a high-school boy with hemorrhoids who doesn't want to go to the doctor's in case that rumours spread. He later gets help from Miura Shiori, a strange girl from his school.

From MangaHelpers: It is still a shock to Saga Shigekata that he is standing at Ikebukuro Krea Academy, a relatively new school with a very particular curriculum. He was supposed to be attending a normal high school, but when his parents discovered the sketches he was drawing, they sent him here. This school is relatively new and is known as the otaku school where aspiring manga artists gather to learn about creating their own masterpiece. Shigekata meets a fellow first year named Miyakawa Hinari who seems to be in a cosplay costume but later finds out that not only is she Shigekata’s classmate, she is the president and founder of Krea Academy. He starts making new friends that inspire him to produce artwork with a lot of passion. [vyc]

A story about two high school boys, Ume and Take, whose relationship seems to revolve around rainy days.

I keep running away because I feel irritated at this impatience, my own small world, and something that I can’t even name…

On his first day of high school, Yuuya Ochi is shocked to discover that the girl sitting in front of him in class is actually a guy named Shigemitsu Izumi. Unable to simply ignore it like the other guys in class, Yuuya can't stop thinking about Izumi and wonders if he's actually a girl, especially after Yuuya sees Izumi waving to a good-looking guy who he suspects is Izumi's boyfriend. Intent to find out more about who Izumi really is, Yuuya follows him after school, only to end up being dropkicked by him over a misunderstanding. Izumi later tells Yuuya that he started cross-dressing to put his twin sister Yurika at ease, who is extremely afraid of guys. However, Izumi confides in Yuuya that he has one other reason why he cross-dresses, something Izumi has never told anyone else.

From Wild*Hope: Taki is the cool yet strange guy in Mio's class. She bumps into him at the subway station after school and saves him after he almost gets pushed onto the tracks. The next day, he returns the favor by saving her from an incoming car. This marks the start of Mio's love.

At age 33, I am a loser, jobless and virgin, who only has remorse and pity for myself. Called by Anna, my secret crush in my childhood, and her fiance, I come to face the reality. But after I fall from the roof (caught wearing a grade school girl's swimsuit) I find myself to be back in the past. Now I will get my life back.

Ichiko has idolized Arashi-sempai from a far, ever since she saw him play in his band a year ago.
When she accidentally damages his right hand, she promises to become his right hand and do everything he needs until he recovers. Will this be the chance she's always wanted to get close to him, or will it prove to be more than she can handle?

Rintarou is deeply judgmental of women, and hates that his dad has been cheating on his mom with a female neighbor. He does not want to be like his dad, and his thoughts are full of gendered sexual slurs towards his female classmates. The only exception is the most modest girl in his class, Yatsugi Azusa. A mosquito-borne disease seems to be spreading around among the women in his city, whose symptoms are fever and extreme sexual aggressiveness. Will he and Azusa make it through the epidemic?

Gouda Takeo is a freshman in high school. Both estimates: Weight: 120kg, Height: 2 meters. He spends his days peacefully with his super-popular-with-girls, yet insensitive childhood friend, Sunagawa.
One morning, on the train to school, Takeo saves a girl, Yamato, from being molested by a pervert. Could this be the beginning of spring for Takeo?

Note: Won the award for Best Shōjo Manga at the 37th Kodansha Manga Awards and was nominated for the 6th Manga Taishō in 2013.
Was also nominated for the 18th Annual Tezuka Osamu Cultural Prize "Reader Award" in 2014.
Won the 61st Shogakukan Manga Award for Shoujo.

This is a continuation of the Durarara!! manga starting with the Akane Arc.

From MangaHelpers: This is a manga based on a popular light novel series of the same name. Kazehaya Kamito has been summoned to the girl's school Areishia Spirit Academy, which teaches noble young ladies how to make contracts with powerful spirits. On his way, he has the misfortune of catching sight of one of these lady spirit contractors bathing. She is Clair Rouge, and she is contracted to a spirit named Scarlet, though she has her sights set on a more powerful spirit. Kamito convinces her to lead him to the school, but she stops on the way to make a contract with this powerful spirit. When Kamito ends up 'stealing' the powerful spirit, it is revealed that he is actually an unheard-of male spirit contractor! What could be the origin of his power? Now Clair is determined that he's going to have to support her, since she believes that the spirit he now has power over what should rightly be hers... [tethysdust]

A collection of stories

1-2) Koi to wa Baka de Aru Koto da
Finally after 32 years of being a virgin Maki, an anxious cafe clerk, got himself a first boyfriend! But Sayama is 12 years younger than him and straight!

3-4) Sotozura Dake wa Oujisama
The perfectly handsome and gentle Jun’ya is actually an asshole. He only shows his real self to his childhood friend, Shuu. And that always make Shuu’s mind fill up with anger. But, there are times he’s gentle...?

5) Nakenai Usotsuki
Segawa is a perfect boyfriend for Manaka, but some things about him seem just off?

5.5) Extra for Nakenai Usotsuki

From StarryHeaven:

Adventurist parents left three Ugajin sisters alone in the house and now they are living in freedom paradise! But their parents' adventure financer wants the sisters to protect the peace in Manten Academy from the shadows.

From: Chibi Manga: Kimari Haneno, 15-years-old. This spring, she enrolled at Shikano Academy's Special Communication department. But on the day of the entrance ceremony, this Communication Department is sentenced to getting abolished. Kimari however, who followed the footsteps of her deceased brother, doesn't want this department to vanish! And so, she starts to act out of character! But what should she do!? Only the president of the all male Normal Department student council holds out a helping hand to her. And he has secret plans to capture the headmaster?!

During their school days, Rin and Karaku were a detective duo of sorts. One day they meet again as adults, and indulge in a stroll down memory lane together. But what one of them doesn't know is that he is already dead, wandering the earth as a ghost...

From Viz:

After orphan Teru Kurebayashi loses her beloved older brother, she finds solace in the messages she exchanges with Daisy, an enigmatic figure who can only be reached through the cell phone her brother left her. Meanwhile, Teru meets and forms a strange friendship with mysterious Tasuku Kurosaki, her school's janitor. For some reason, Kurosaki always seems to be around whenever Teru needs help which leads Teru to wonder: Could Daisy be a lot closer than she thinks?

As the mystery of Daisy unfolds, Teru also discovers that there may have been a lot more to the life and death of her brother than she ever dreamed . . . and that the man she thought was her friend just might have all the answers.

When Donut meets Mew, their encounter turns out to be more than just a coincidence, as their closeness slowly turns into something more intimate. Lily Love... is a story between two very different people, who hand and hand, learn to trust each other in order to nurture and protect the love they share regardless of position, distance, or gender. If finding true love already seems next to impossible, how much harder will it be to keep it?

Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student Shuusuke, see her as a woman. So determined, that she goes as far as going into his room to throw away all his non-incest related porn. But as she's looking for his porno stash, she finds a photo album... and she's not in any of his childhood pictures. What is going on? Reading direction: Right to left

From Kirei Cake:

The colourful story of Aya, Hina, Kei, and their classmates, trying to figure out the mystery behind Risa's sudden disappearance. It all begins with the discovery that her disappearance has some correlation to the online dating site called "Amore." Hina proposes that they should try out the site first-hand themselves, and upon doing so, they encounter something completely unexpected?!