White lion, the tactical commander and pace-setter mermaid, they are the experimental body of the research institute before. They depended on each other but they used each other too. Because of a misunderstanding, the white lion was injured by the mermaid, and said that the next meeting would be revenge. But the next time they meet, he can do nothing but protect his mermaid... (Source: Webcomics)

Rokurō Okajima is just an average Japanese salaryman, living an average life. But when he's taken hostage by the crew of the Black Lagoon, Rokurō finds himself thrown headfirst into a deadly world of outlawed heroes, brutal villains, and blazing gunfights. Where he ends up is anyone's guess, but one thing is for certain—he's in for a wild ride! (Source: VIZ Media)

A sergeant by the name of Sousuke Sagara is assigned an important task. That of guarding high school girl Chidori Kaname. Sousuke is a military genius, gaining high rank at an early age, but because of his strange upbringing, he lacks social skill. Now, he finds himself as a fish out of water as he attempts to protect a girl from an evil organization and turn in his school work on time. (Source: Anime News Network)

Yuuki Asuna was a top student who spent her days studying at cram school and preparing for her high school entrance exams--but that was before she borrowed her brother's virtual reality game system and wound up trapped in Sword Art Online with ten thousand other frightened players. As time passes, Asuna fears what will become of her life outside the fantasy realm--the failure she might be seen as in the eyes of her peers and parents. Unwilling to wait on the sidelines for more experienced gamers to beat the game, Asuna employs her study habits to learn the mechanics of the game--and swordplay. Her swiftness impresses Kirito, a professional gamer who invites Asuna to join the best players on the front line. Is Asuna ready to swap class rankings for player rankings and join Kirito? (Source: Yen Press) *Note: Includes 4 extra chapters.*

Ikuma Saeki finally married his childhood friend and the girl of his dreams, Sumika. But while years of pining came easily to him, physical closeness does not...and he's having trouble navigating the intimacy that comes with marriage. Sumika, too, is having trouble bridging the gap between friend and lover...what is this innocent couple to do but navigate it together, awkwardness and all! (Source: Kodansha USA)

Jin Mita lives as a farmer in a small town in the countryside. One morning, he discovers a female knight collapsed in his rice paddy. Her name is Seraphim, and it appears that she has come from another world. She knows nothing about how this world works and has nowhere to go. Unable to just ignore her plight, Jin suggests that she live with him, leading to his neighbors believing that she's his wife! Farm work under the sun, and meals made with fresh ingredients...this is the start of a story about living a relaxing life with a female knight in the countryside! (Source: K MANGA)

Rintaro Senkawa is a regular guy in his mid-20’s who got a little drunk one night and fell to his death. But that is just the beginning of Rintaro’s story, as he finds himself unexpectedly in Hell where he meets his guide, the painfully sexy devil Koyori. Can Rintaro take his situation seriously enough to repent for the sins of his former life, or is he fated to be eternally tempted, teased, and tortured by scantily-clad devils with iron spiked clubs? (Source: Seven Seas Entertainment)

No matter how much the times change, bullied kids aren't going anywhere. And fat junior high school student Haruyuki is one of them. But one day, Haruyuki encounters Kuroyukihime, the most beautiful and elegant girl at school, who gives him a mysterious program: "Brain Burst"...and the secret of the "Accelerated World." He may be at the bottom of the food chain at school, but Haruyuki and his destiny begin to "accelerate" with incredible speed in the virtual realm as he aims for the top!! The manga adaptation of Reki Kawahara's wildly popular Accel World light novel series follows in the footsteps of its predecessor, bringing you a futuristic coming-of-age tale about the potential that lies within all of us! (Source: Yen Press)

Kirito, having explored the latest beta test, has a pretty good idea of what to expect from the newest SAO launch. With Asuna along, the pair hope to experience the official playthrough together, but there’s something about the release that’s a little different from before...Certain unexpected tweaks from the previous version have Kirito and Asuna tackling a flood of puzzles anew! (Source: Yen Press)

*Third installment of the manga adaptation from the light novel series of the same name drawn by Puyocha.* Nearly two months have passed since Kirito and Asuna found themselves trapped in the world of Aincrad. Now, they're making their way through the ruins-themed fifth floor, where all sorts of undead monsters—and player-killers—lurk in the shadows! (Source: Yen Press) *Note: Includes 1 extra chapter.*

Basically, it's a retanking of some chapters from Full Metal Panic!. It's sort of like FMP! Fumoffu.. meaning that there's no mecha plotline, only short stories. Also there's an extra story not presented anywhere in each volume of this series.

A sickly girl named Elizabeth has been reincarnated as an otome game villainess! She begins her life anew, blissfully unaware that her fate is to be killed by the heroes. She might enjoy a healthy life now, but will she be able to turn fate on its head?! *Source: K Manga*