From Onadoru Euphoria:

Shinesman is a comedy series that parodies shows like Power Rangers or Ronin Warriors. There were only ever two episodes released, with notably hilarious dubbing for a show. The manga series has 9 volumes and is drawn by Kaimu Tachibana, who often draws BL, so you can expect there to be innuendo or jokes about the male characters being too close.

The main story in Shinesman is that Matsumoto has joined the Right Trading Company, and somehow was picked to become the newest member of a group of superheroes called "Shinesman" (which would sound like "Businessmen" in English). They fight evil aliens who are trying to take over the business world. It's light-hearted and undeniably cute.

From Mangascreener:

Ever seen a little show called Power Rangers? Or any of its relatives stateside or around the world? Well this is a mix between a parody, a satire and a tribute to all the greatness of Super Sentai all rolled into one... with a twist. This task force of heros have jobs, a boss and a 401k. Set during the bubble economy of the 1990s, this campy but loveable manga brings office comedy to a classic genre of super hero shows. If you have a chance, the anime is released in the United States (all 2 episodes) so go check it out, and get ready for the manga!

A pastry shop with filled delectable sweets on the hillside run by three brothers, Thyme, Sage, and Parsley. An otome's dream is it not? Well, hopes crushed.

Nanoha bakery is run by a lifeless genius baker, a motivated novice baker and shopkeeper, and a child. Facing rivalries, low sales, and debt, Sage tries to save the family bakery! Along the way, he meets some interesting characters.

From the creator of The World God Only Knows

When the Fullmetal Knights Chevalion defeated the Death Universe, peace returned and the Chevalion members returned to their normal daily lives. Well, except for their leader, Retto. For some reason his suit won't come off. So he's stuck as Chevalion Red, and he has problems controlling his powers.

From : TCmanga

Satomi was told to marry her brother-in-law, Hongdae. Even since the passing of her sister, Kyoko, Satomi's dad is worrying about not being able to find a successor to the Asahina Private Hospital. In the eye's of Satomi's dad, Hongdae is the best candidate to take over his leadership. In order to prevent protests from the board, he wants Satomi to take her sister's place - to become his wife so that he could once again be related by marriage to Satomi family.

Satomi is just an ordinary gal who studies at a nursing school and wants a first love that she can embrace forever. She is shocked when her dad informs her about marrying Hongdae and gets in a dilemma about it....until one day, she finds something shocking about Hongdae....

From Hoshikuzuu Scans and Starry Sky Scans:

"Having sex without love. All the gay people do this, right?"

University student, Kawamoto has a string of one-night stands. One day, he meets a university employee called Kuroki, and he tries to bed him. "Do you always do stuff like this?" Kuroki has been in love with one of the school professors for 7 years. "I'm happy just being by his side." That unwavering dedication captures Kawamoto's heart... If love is solely loving someone, doesn't that just invite pain...?

The long-awaited young love story by Nanameguri!!

Hiyori, a small and timid girl, goes to school for the first time in a year since an accident left her hospitalized. Follow her as she struggles with her social skills, tries to make friends and maybe even a little bit more...?

Kohinata Kanade is a second year violin student at Seiso Academy's Music Division. She lives together at the school dorm called Linden Hall with her childhood friends, brothers Kisaragi Ritsu and Kyouya. They practice intensively day after day at their orchestra club, aiming for victory at the nationwide music concours. However, one day Kanade is told by a boy she doesn't know "Your performance has no flower"?!

A freeter happily moves into a cheap single-person apartment, only to discover that there is a girl already living there - who proposes to him on the spot?!

The story is set in the near future when the marriageable age was lowered in response to the declining birth rate. A 24-year-old man marries a 12-year-old girl in this gag comedy.

From Hachimitsu Scans: One-shot manga anthologies featuring traps called Josou Shounen (Cross-dressing Boys) since July 2010. There have been 15 volumes published to date. Each volume carries a subtitle. They are: 1. White Group (Shiro-gumi) 2. Peach Group (Momo-gumi) 3. Princess Group (Hime-gumi) 4. Blue Group (Ao-gumi) 5. Red Group (Aka-gumi) 6. Cherry Blossom Group (Sakura-gumi) 7. Plum Group (Sumomo-gumi) 8. Melon Group (Melon-gumi) 9. Apple Group (Ringo-gumi) 10. Satsuma Group (Mikan-gumi) 11. Grape Group (Budou-gumi) 12. Banana Group (Banana-gumi) 13. Plum Group (Plum-gumi) 14. Watermelon Group (Suika-gumi) 15. Ribbon Group (Ribon-gumi)

Top student Wang Fei has always dreamt about becoming a Judge, a pillar of light and justice for the people! However fate isn't on his side and he ends up going to a high school for delinquents. How is he going to survive? Will he rise to the top or be gobbled up in the chaos of the hell that is Shiji High School?

From MangaHelpers:
Kuroba Yo is a sadistic detective who enjoys nothing more than destroying his targets emotionally and psychologically through his deductive reasoning. Toiro Arata is a naive and slightly masochistic boy who gets duped by Yo into becoming his assistant, or slave. These two team up to become the "Black & White" detective, solving crimes and chasing after criminals.

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At school, Aiko discovers that all the girls in her circle of friends have already had their first menstruation – save her. After going home to her room, she reads up on menstruation and in frustration punches herself in the uterus. This seems to "awaken" Ma-chan, Aiko's anthropomorphic vagina, who begins coughing up blood. Ma-chan introduces herself and says that she's been with her ever since birth and from now on she's going to assist in her journey into adulthood.
The next day at school Aiko tells her friend that she's now one of the gang.

Note: Aiko no Maa-chan, was cancelled by Comic Zenon from fears of its publisher that the manga could be considered an “harmful publication” under the “Tokyo Metropolitan Ordinance Regarding the Healthy Development of Youths”. She decided to publish her manga through a successful crowdfunding campaign on Fundiy. Thus Aiko no Maa-chan will be published as one volume in 2015.

Phryne was a lesbian magazine that only lasted for two issues (one came out in June 1995, the other in November 1995). It contained articles, short stories, manga, essays, and the like. We'll be scanlating the manga from the first issue. Two manga from Phryne are commercially available from ALC Publishing: "My Sister's Wedding" (printed in Works) and Rica 'tte Kanji! "Let's Return to the Forest," by Nemoto Yue, is a nearly textless manga about a pair of girls having a picnic in a forest. "Community News," by Saitou Emi and the Heisei Community Committee, is a 4-panel manga strip. In "P=NP?," by Taroh Amaguri, Eriko wonders if Shino is just going out with her so that Eriko will do her homework for her. "Ririka and Chihiro's Exciting Life," by Otokuni Momo, is another 4-panel manga strip. ~Lililicious

From Seven Seas:
Seven years have passed since Mina Țepeș' triumphant return to the Bund. The year is now 2020; integration of vampires into human society has greatly progressed, the threat from the three clans has been eliminated, her rule over vampiric society appears absolute, and the Bund has became an integral part of the world economy.
Now Tokyo is hosting the Summer Olympics with Mina as guest of honor at the opening ceremonies. During her speech, terrorists infiltrate the stadium and demand that she close the Bund and remove all vampires from Japan. In front of TV cameras, Mina and Akira must confront the terrorists. And that's not the only threat waiting for them.

An anthology comic of Choujigen Game Neptune by various mangaka.

Kanzaki Rei is an avid gamer, but one day he hit rock-bottom due to his debts. During the night while sleeping, a strange phenomenon happened and sent him inside the game he previously played. A world of life and death awaits.

A jaded young woman finds solace at a Chinese restaurant.

A terrible creature has been plaguing the community: a man with a fishbowl for a head. When he attacks someone, the goldfish leaps out of his bowl and drinks their blood. The victim is irreversibly transformed into a goldfish! This terrible crime has happened to high-schooler Kousuke's little sister. With no other option, he takes care of his goldfish-sister as best he can.

One day, he comes across a strange girl named Ringo, who wears a school swimsuit, carries an umbrella, and keeps a gun hanging around her neck. Ringo is an apprentice blood diver, and the gun is her way of shooting herself into the wounds of the fishbowl man's victims. If she can get to them in time, she can prevent them from turning into goldfish. Ringo's mentor, Ichigo, says that she's heard of a way to turn people back from goldfish into humans. Kousuke is determined to help Ringo find a way to help his sister and the loved ones of his friends at school who have met the same fishy fate!

A direct continuation of Chimoguri Ringo to Kingyobachi Otoko.