From Chibi Manga:

A guy is 100% perfect. But...he's an android?!!

Includes three oneshots:
Volume 1
Hatsukoi Kouho

Volume 2
Ore no Subete ga Kimi no Mono
Gosenfu no Love Letter - not scanlated

From Yen Press:
Wending his way home after a bender one evening, master moocher and game programmer Keita Ibuki decides to satisfy a craving for ramen at a noodle stand. Instead of slurping soup, though, he surrenders his meal to a manic girl who, unbeknownst to Keita, is a Mototsumitama, a guardian of the coexistence equilibrium. When his new acquaintance is attacked, Keita gets caught in the crossfire and loses an arm. Awakening from the shock of his injury, Keita finds himself back in his apartment... arm intact! But just whose arm is it?! Asking the strange girl raiding his refrigerator reveals only that Keita's life has become a great deal more complicated.

Ever since she underwent a desperate surgery to save her failing vision, 15-year-old Okada Toshio has sought solace in the world of sound, falling in love with the voice of the actor from the anime Samurai Detective. When her grandfather suddenly forces her to live on her own, she encounters a boy her age with a remarkably similar voice. But how will he react to her cravings for his voice...?

Miroku Tachi was a promising student until he dropped out of college. Now, after months spent as a NEET, he has hatched a plan to help his sister, himself, and the whole world... by murdering someone.

Based on Crime and Punishment by Fyodor Dostoyevsky, but in a modern-day Japanese setting.

From Pig Rabbit Scans: The story takes place a little in the future. Guided by one particular song, young elementary-schooler Suzuhara Sorata, from the Heisei Era, is warped through a time skip to an unfamiliar place that looks much like the towns from the Meiji or Taishou period from his textbooks. In this world, he meets three young ladies and nine young men and joins them on a journey aboard the mysterious Norn ship, a giant globe that floats in midair.

From Ikemen Scans & Yaoi Is Life:

"Disgusting, not even cute." I hurt my little brother, a popular cross-dressing model, with heartless words. But none of them are true. Our parents remarried when we were little, and Yuki became my step brother. He's so cute and very, dearly important to me, but somehow my feelings changed into something they shouldn’t have. It's painful to be around him, but Yuki, who's grown up to be so handsome, keeps coming to me even when I give him the cold shoulder…

From MangaHelpers:

Shun knew what to expect when he became a high-school student. As he entered the gates of his new school, four beautiful girls suddenly surround him. These four girls are the same four girls he grew up with since kindergarten. The four girls are Rio the athlete, Miku the cook, Nana the nerd, and Yuri the student president. These four girls will be battling it out between them in order to win the heart of their beloved Shun.

N/A

Three boys are desperately struggling to "make" a girlfriend in their sad adolescent lives. They then realize that their classmate, Ghang Han-Gyul - the manly, serious, quiet person of their class - has been secretly going out with a beauty for 100 days*. This triggers the friendship between the manly, serious Han-Gyul and the three dateless losers. *A 100 day celebration of a relationship is seen as very significant.

A collection of oneshots:

1. Three-Second Rule
2. Sitting Behind the Girl I Love
3. Love Me Softly
4. Erasing Love and Wishes
5-7. As Yet I Have No Name
8. Recalculation
9. Prologue - Hidden Name (also included in Junsui Adolescence)
10. Interim Solution

From Starry Heaven:
"Exactly, what am I?" A human-made robot that is used for battles meets a blind girl, Lilina, while running away. He is slowly captivated by Lilina as she doesn't see him as a robot, but suddenly someone who targets the both of them appears? Moreover, Lilina also has a secret of her own?

Also included:
Desert fantasy of a king and a dancer girl, Moonlight Romance. A forbidden love between an elder sister and a younger brother, Red thread's 2nd compilation.

From BangAQUA:

Only the chosen men can touch this skin....

The top star of the gay porn industry, Hikaru, in spite of specializing at being a top, is commissioned with a side-job as a bottom, after being nominated by the highly reputed newcomer, Masaya. Hikaru refuses firmly that shooting, but he ends up rising to the provocation of the arrogant and cheeky Masaya, and things end up in a sales match of their new DVDs!?

The greatly popular "Porno Superstar" series!!

Mogami Himoto shouldn't have any problems. He's rich. He's smart. He's athletic. He's incredibly attractive. He's an "ikemen."

Meeting Yaenami Yukka plunges his life into chaos. First, she mistakenly accuses him of molesting her and broadcasts the news to the whole school. Then she ropes him into pretending to be his fiancee... which might not be so bad if not for the self-defense mechanism which results in her punching any ikemen who comes close to her. And then there's the curse...

From Evil Flowers:

Inoue Azusa's classmate, Saito, is extremely good looking, but he has the worst personality ever. For some reason, he started noticing Azusa and gets her in a lot of trouble. Although he's very annoying, Azusa gradually becomes attracted to him. However, Azusa's classmate, Hikaru, is not only handsome and is the president, but towards Azusa he is...?!

From Chinatown KM:

A collection of oneshots.

1. Mountain Love
A girl, who is under stress to get into a medical school and one day, falls in love with her doctor.

2. Mermaid Is Singing
A boy, who tries to commit suicide (because of certain medical reasons) and a girl who tries to stop him.

3. Autumn Night's Dream
A girl helps an architect to realise his real dream.

4. Echo
A girl who knows the people who killed their class president is unable to express her own thoughts.

5. The Sleeping Time Paradox

Note: In 2000, it won the National Institute for Outstanding Comics Award.

Yuu has just begun her first year in high school but has still not yet responded to a middle school graduation confession by a boy who she has always liked, but who's confession did not excite her. Yuu loves shoujo manga and she knew how confessions were supposed to feel, but she didn't feel it and she has not found a way to respond to him in months. Yuu then sees Nanami the student council president turning down a confession very thoughtfully. Yuu later discovers that Nanami has never accepted a confession because none made her feel something. Inspired by Nanami's honesty and their likemindedness, Yuu consults Nanami, but after helping her, Nanami confesses to Yuu!?

From Kagerou Scans:

Asanaga Ryuutarou, the successor to a floral arrangement family, has a severe but overly beautiful appearance. Despite this, he has two secrets which have not yet been let out into the world. Number one: he has a male lover. Number two: he is an extreme masochist. With those secrets noticed by the creepy and wild movie director Edagawa, will they be let out to Ryuutarou's beloved boyfriend, Maki...?

He hates to lose and is a little shorter than other boys. A little cheeky, but when he smiles, he's really cute. This is the Miyamoto that Hitomi loves so much. Just before the entrance exam for high school, she has two chances to make a confession. But she is dazzled and doesn't really have to courage to do it, so she decides to leave it for after the exam. Or at least that's what she thought... This is a very popular story about love, which makes the heart go "kyaa"!!

From Yen Press:
When fifteen-year-old Kaho Nikaidou leaves her sheltered home to start life anew in a Tokyo high school dormitory, the last thing she expects is to nearly get hit by a truck! Saved in the nick of time by a handsome stranger, Kaho falls head over heels for him and, after finally tracking him down, boldly confesses her feelings. Turns out Kaho’s mystery savior, Kanade, is the son of Kaho’s new landlord! The handsome object of Kaho’s affection agrees to go out with her, but her newfound bliss is short-lived when it turns out that her new boyfriend…is a fifth-grader?