Chiaki is a massage crazy girl who only thinks of massages and on the bus to school she always sees a guy with a really stiff back. She really wants to massage that back but doesn't dare to look at the guy's face. When she coincidentally meets the guy in school, she immediately recognizes the back. And of course begs him to let her massage him (in a very hilarious way) but of course like every good looking, slightly evil guy he has conditions....

-----------

Massage Research Society's high expected star Chiaki is a normal, quiet high schooler. She immediately wants to massage the guy with the beautiful back who she sees on her bus, then coincidentally she also sees him at her school. But he just happens to be the school's number one good looking guy Yousuke, who doesn't want anybody to massage him. When Yousuke and Chiaki make a bet, what will happen to them!?

Vol. 1 contains the side story: Teach Me, Prince

Seto is special, not only because she has silver white hair but also because she is concealing a secret - she is dying. Within her final days, she experienced the most miraculous things in the world - friendship and love - as she encounters a boyish girl from class, Chiho. The story sets readers on an emotional journey about what life truly entails and what death can leave behind for one's beloved.

From Chibi Manga:

Meeting again your first love who moved school without a word…?

Volume 1:
Nozomi has a childhood friend who is 7 years older than him, Mitsuru. Mitsuru not only teaches him how to study and play, but also teaches him how to kiss and masturbate! Nozomi wants to lose his virginity by having sex with a girl, but the only thing he can think of is doing it with Mitsuru. On top of that, he was harassed by an idol named Yuuma, while he himself uncontrollably harasses Jin who is younger than him. How will this continuously complicated love end?

Volume 2:
“We’re at an age when sexual curiosity is high! My name is Nozomi and I’ve always wanted to date the one I love. Not just going out for an evening stroll, but to do the things I love with him.” Although this is in Nozomi’s mind, he still can’t bring himself to say it. When will my dreams come true!? My heart is overflowed with hope, and I can’t live without a man... whose fault is that!?

From MangaHelpers:
A sequel to Kenzen Robo Daimidaler, this once again features the high schooler Koichi Madanbashi. Koichi possesses "Hi-Ero" particles, which are powered up by groping women, and he is particularly fond of groping women's breasts. He pilots a robot to fight the Penguin Empire's killer penguin robots.

There are demons who prey on beautiful young women and possess them. Fortunately, there is a magic user roaming the city who can banish them, but he needs to make physical contact with the women in question to banish the monster. Specifically, with their breasts. This is the story of this traveler and his witch companion.

Besides the fact that both of his parents are on an extended business trip overseas, Mizutani Masayuki was just your normal high school student. One day, Shimizu Sayaka, a girl who's in the same grade as he is, barges unexpectedly into his home and his life announcing, “Your parents hired me to be your maid!” From that day forward, Masayuki finds himself having to deal with Sayaka, the self-declared “live-in maid, er wife,” Takamura Yuka, his aunt who is actually younger than him and fondly calls him “Onii-chan,” the yandere girl Takagi Mai who is in love with Yuka, and his kouhai Ozono Anna whose imagination about Masayuki and Sayaka’s relationship always runs wild. Thus, his days of being caught up in those girls crazy ideas (usually unprintable) begins.

Roan Summer is a 16-year old high school student who has been pretty unlucky when it comes to love. During his freshmen days, he fell in love with a girl from a different class whom he calls Miss Question Mark. Well, this is because he lacks the courage to ask her name, much less to confess his hidden feelings to her. Now, freshmen year is over and as he heads toward his sophomore year, he is wishing that by some miracle, he would finally belong to the class where his beloved crush is. Odds surprisingly favor Roan’s first day of school this time as he discovers that the vacant seat next to him is actually Miss Question Mark’s chair. However, one afternoon, a clumsy, pretty yet weird girl named Meory Winter ruins the moment as she comes rushing to the room where Roan is, causing the two to bump and to accidentally kiss one another. Pursuing his feelings for Miss Question Mark at one hand while trying to keep the “accident kiss” with Meory a secret on the other, together with his new, old and crazy friends, Roan Summer’s love story is now terribly tangled and twisted. Can Roan be able to escape this Love Rumble? Or rather is he willing to escape it to begin with? (L. Rumble!)

Rin Hashiba lives together with her grandpa. One fateful day, while offering a prayer to God at the temple, a demon named Char appears before her. Seeking the blood of a virgin, Char is lewd, mean, and quite full of himself. He may act high and mighty, but in reality, he's very loving and kind. Even though she knows it's forbidden, Rin's body and mind are bound to fall into the demon's clutches one day...

from Renta!

The inexorable girl who aims to be a champion; Jain! and the innocent boy who loves her, Tae jin! Their challenges on the road to championship and an unfitting summer-like love story. -from Naver Webtoons Please address this work as a Manhwa (Korean word for cartoons)

Mu Qian Ran, a sixteen year old girl, who had always set her heart onto studying the art of Chinese medicine, is excited as she has been accepted into her first choice of college, Yan Huang Advance technical school! At the same time, due to a mysterious portrait of a girl that no one could tell when was it drawn, Qian Ran is able to see illusions of fire. She ignores the incident, but this would start the unraveling of a great secret.

Paraizo is a 4-koma manga filled with sex jokes by Dowman Sayman, an artist with roots in the doujin scene of Japan.

Salome moves around a lot with her mother. She's learned not to get too close to anyone at each new school, or to let them find out her secret: she's a witch! When the sunny Hikari tries to make friends with her, Salome thinks she's just being nice out of obligation, so she decides to find out what Hikari really thinks of her...

As a baby Jiro was delivered to his foster parents by a massive oni, who said he would return for Jiro in 15 years. When the time comes Jiro must contend with enemy oni, dark cultists, and their minions while attempting to protect both his parents and girlfriend from their depredations. Ultimately he must embark on a journey through the past, future, and other dimensions to embrace his destiny as Shuten Doji reborn.

From StarryHeaven:
The story about a girl named Tenko who plays basketball. She has a boy (who also plays basketball) whom she has a crush on. One day she encounters a demon, with the shape of a fox. This fox-demon now possesses her body as he looks for his missing tail. As he searches for his tail in Tenko's body, the fox helps Tenko become closer to the one she loves, with magical tricks.

First story. The student is a 17 year-old girl named FUJIWARA Kayo. She loves games. She is always playing her handheld (It looks a lot like a PSP) in class. One day, her teacher, a handsome, but kind of mean-looking guy named HAIBARA-sensei, catches her playing it in class, yells at her, and confiscates it. Grr, stupid Haibara-sensei, always ruining her fun! Kayo can’t stand him, and doesn’t understand why he is so popular with all the other girls at school. Ah, but Kayo is in for a surprise!

The second story. It’s about a shy girl named ICHII Ekko who has a great imagination and a talent for drawing. Every day at school she fills her lined notebook with drawings, complete manga stories, about the people around her. She can turn any minor interaction into a silly shoujo manga plot, complete with sparkles and flowers, and a heroine that looks just like herself. Her notebook is her secret, and it would be horribly embarrassing if anyone found out about it...

Story 3. High school girl Naomi is excited to learn there is a new boy transferring into their class. Until this year, her school was a girl’s school, and even though it’s now co-ed, biys are scarce. So a new boy at school is big news! Unfortunately for Nao, the transfer student isn’t exactly a nice guy. His name is Katsuyuki-kun, and he’s tall and scary looking. He has an aura around him that just screams ‘do not touch! go away!’ He is like a feral cat or some other wild animal. But in spite of this, Nao doesn’t give in. She can tell something isn’t right. Will she be able to make friends with him?

Story 4 is about a guy and girl who are already a couple. Rinako really likes Shun, but he doesn’t seem to want to take their relationship seriously. Even though he know it makes her mad, he is always going out with other girls. When Rinako confronts him angrily, he apologizes, but that doesn’t stop him from doing the same thing over again. In fact, he is always playing tricks on her and doing little things to bother her. But will she still take him back when he goes a step too far?

Finally, the last story is a brief and funny tale of friendship, jealousy, and romance, with a bit of basketball thrown in.

A Kiss, Love, and a Prince" takes place in the same setting as "Even if We're Not Friends," but centers around different characters. The main character is kissed by her sempai, who is playing opposite her in the school play, and freaks out because she always imagined her first kiss would be with a boy, preferably a dashing prince. -- Lililicious

Two stories:

The Moon and the Lake
Kazuna's late grandfather was a writer, and his unpublished novel depicting his private life was found among the articles left by him. He had written down his affection to his lover, while he was a devoted husband. Kazuna felt perplexed, and went to see his grandfather's lover.

Nora in December
Does anyone know where "Nacchan" is? December, ten years ago, Nacchan's house next door burned down. Both parents were safe. Only Nacchan was never found. The body was never found... In the chaos of the fire, only Nacchan... disappeared.

From StarryHeaven:

Maria is a girl attending a Christian private school. Her mother is sick and in the hospital, her family poor. They live off the money of a man whose identity is unknown to Maria. He is called “Daddy Long-Legs” and he supports Maria and her mother with only one fee: Maria becoming his bride. Just who is this mysterious man? Is it the doctor? Someone she does not know? A boy from school…?

B&W oneshot about an awkward couple.