Jutten! is about a boy who goes to his first day of high school thinking it'll be full of awesome meetings with sexy girls and whatnot, but instead has a lot of bad luck and gets peed on by a dog, amongst other things. A girl who uses her bike to drive over his ass sorta helps him and gives him a handkerchief with a 10 yen coin in it (hence the the series' title) and ... Then 10 yen coin contains a spirit who says she will grant the boy's wish of wanting to be together with the girl but the spirit can only cast magic worth 10 yen.

Relish is an evil organization plotting world domination. The organization's mad scientist Dr. Takizawa uses a cell-restructuring device on a young man named Katagiri in hopes of creating a superhuman, but the experiment is a failure. After fleeing the organization, Katagiri is astonished to find that when night falls, his whole body turns jet black and he gains incredible strength and the ability to jump to great heights! Now as Shadowman, Katagiri begins to fight against Relish...

Coming to earth to live the high-school life he's always dreamt of, Hirito finds himself in a bathroom on top of a naked girl! It turns out she goes to the world renowned Konoeghara Academy. Hirito is shocked to find the school only consists of seven students in total! Why in the world does the one of the most prestigious academies in the nation only consist of seven pupils...? - Kiss Scans

A normal high school student, Aria Hino, is walking home from school, but happens to see a cutsie dressed girl being mobbed by tiny like green creatures. After being mistreated and abused, the girl is approached by Aria, who becomes a Pure Soldier with her passing. Along with her friend, Luna, a famous celebrity, the two must transform into Pure Soldiers and fight evil.

A boy is forced to dress as a girl to be a Mannequin for his sister/brothers fashion designs, its a trap one shot from oto nyan

From SnoopyCool: A young man has been cursed, and a wandering Shrine Maiden has come to his school to further her demon-fighting techniques. How will she save him?

Amagoe Homura, a high school student you can find anywhere, finds himself in a devastated version of Shibuya. A mysterious figure calling himself "Unknown" tells everyone that they can commit any crime in this world, and forces them to participate in a death game where they compete on who can commit the most severe crime...!

Kemono Friends Doujin written and illustrated by Imu Sanjo. It's about Jaguar fighting her way through with human emotions (Mainly her embarrassment).

Nao Bruce is suffering. The university student watched as his girlfriend dumped him to run off with another man, and now he has nothing to live for anymore. As he contemplates suicide, he sees an advertisement for the Space Force a military power dedicated to protecting the planet from all sorts of extraterrestrial enemies.An idea hatches in his head he heard of the cliche where the hero tells his comrades "I'll take it from here. You go on without me." It's a perfect way for him to die while looking like the suave hero he always wanted to be seen as! There's only one issue: he's a little too competent to die on his own

This series is titled class Rep is a boy in drag(Iincho is Otokonoko), it is basically the crazy antics between the class rep and her straight man friend, and their back and forth interactions with one another as she attempts to seduce and he attempts to deflect.

Aoi Destruction is a compilation of short stories by Kazurou Inoue (Midori no Hibi and Aikora). The first 3 chapters are dedicated to the title story (Aoi Destruction). Story 2 is 'Rare Bookshop Owner Yakou's Hard-Fighting Chronicles'. Yakou was left to run his father's rare book store and bitterly resents it. Then a super-hot babe walks into his store. She's a "book-detective" and tells him she's taking over the store so Yakou can pursue his family's heritage--the "other job...". Story 3 is 'Full Scratch Eiji,' about a boy who tries to get away from his otaku past. He was a legend among figure makers, "E-Model-san," until a girl rejected him for being too "otaku." Yoshizaka is easily the big man on campus; adoring girls throng about him. Jealous boys chew their livers. Then he stops to help a goofy girl--who is thrilled to meet "E-Model-san"! She could ruin everything; he has to shut her up! Story 4 is 'Otone no Naisho,' a story about a young samurai girl who finds herself the owner of a perverted possessed katana. Not for kids.

A collection of short stories published in the 40 year anniversary edition of Kodansha's Afternoon magazine, Go-Chan Magazine.

Meguna Hirasawa has confessed 5000 times in total to her 10 year long crush Ayumu and in turn, received 5000 rejections. But that won't stop her. In fact, Meguna is retiring from simple confessions and moving to a whole new level. That being said, Meguna is ready to dive straight into seduction! Wait, the first thing she does is smash her lips into Ayumu's face for a bloody kiss?! Will her pestering finally allow her to capture Ayumu's heart? Or will this desperate girl's hard work be in vain?

From Tokyopop: Daisuke Aurora works with the special division of peacekeepers in the city of Jewde, one of the largest cities on the planet. He and his android partner, Heat Guy J, team up to make sure that anything illegal stays off the streets and out of circulation. However, their presence doesn't sit too well with the local mob leader--a ruthless, unbalanced, well-armed son of the late Don, who is out to prove that he is not too young to take over the family business. In the city that never sleeps, will Daisuke and Heat Guy J end up sleeping with the fishes? Wiki: Coinciding with the anime series in 2002, a manga version of Heat Guy J was released. It was eventually distributed in the U.S. by TOKYOPOP in 2005. It was written and drawn by Chiaki Ogishima. While the main characters and general setup were similar to the anime, the manga has its own unique storyline and supporting characters. There is only one volume in the series, and it includes several pages of bonus material related to the show.

A short oneshot about the idols Koyori and Yuwa, whose relationship isn’t quite like what it appears.

Together with Ken, her childhood friend, Yukari starts a manga duo, "Abiko and Fujimoto"! Since they were in junior high school, two of them have always been creating doujinshi that never really sell. Yukari has always liked Ken more than a friend, but it is probably doomed to be an impossible love considering the prideful and sadistic Ken never even praised her manga at all! Can Yukari win his heart with her drawing skill? If you love to read the drama in doujinshi world, put "Pen Love" into your bookshelf!

From Taruby: A short series from the early to mid 80s about a middle-school girl and her super aging pills.

A comedic fighting (martial arts) series.

From SCX-Scans: Once upon a time, there was a courtesan who fell in love with an impoverished Noh-mask maker. However, when her lover rejected her, the courtesan threw herself from a bridge in despair. She left behind a note cursing him and his descendants. In current day one of that man’s decendants, Izou, discovers that the guardian mask at his temple has cracked and the ghost of the past has come back for her lover.

Hibiki Suzuhara....It's the name of the boy who has a special kind of world...The world of Onsen....As he summons one from a hot spring she is not only quite comfortable..She is frikkin hot, with boobs to match her body..Follow them as they take each day together from which disaster strikes...in the form of sticky situations.

Made by Yuririn no Moto (ゆりりんの素) This is a sequel to "Amai Yuuutsu" (Sweet Melancholy) *contains 23 pages

Hajime is a guy who can't talk to girls properly, even to a game character. But then a girl who calls Hajime her father, barges in on him while he is working. It seems that she has come from the future and she was Hajime's daughter. She has come back to the past to cause a breakup between Hajime and a lady who he is supposed to marry in the future, and make sure they won't get married. The bad part is that she still does not know who the lady is.

Updating

Japan: the Gambler's Paradise! The rich and beautiful Maria is well-known as a legendary gambler who will take on any challenge, no matter how unreasonable or impossible! But what happens when she meets a lowly slave who solves her riddle..? Twist after twist! So tense you'll forget to breathe! This MangaBox-exclusive five part gambling story will leave you aching for more! Prequel: Once Upon a Time