It turns out that our world is just like an RPG! We're all just NPCs, so stop acting like you're the protagonist!
From MangaHelpers: The world is in a war against an alien race called "Mimics," who have taken over most of the world with a mission to eliminate the human race. Keiji Kiriya is a new recruit in the United Defense Force, which is battling against these "Mimics." On his first day of deployment, Keiji and his unit encounter "Mimics" and are all killed... Or was it all a dream? For some inexplicable reason, after every time he dies, he is resurrected and returned back to the day before the battle. Why does this happen to Keiji and how can he escape from this never ending cycle?
From Tokyopop: The One Year War between the Earth Federation and the Principality of Zeon has begun--and the newest Mobile Suits are tested for battle! Captain Matt Healy leads his team into dangerous territory as the leader of a Special Forces Experimental Unit. Ken Bederstadt is a Foreign Legion Lieutenant working in alliance with Zeon. These two heroes are trying to keep everyone alive...for tomorrow! There are 2 editions of this manga, the 2003 edition (same as Tokyopop version) and 2005 "complete" edition with 2 additional chapters - a prequel and a conclusion to the storyline
A manga containing anthology chapters, illustrations, settings introductions and interviews about Fate/Prototype.
Kagefumi Merry takes place before the events of Yumekui Merry, and follows the adventures of a slightly different Merry than we are familiar with.
A Tokyo Ghoul spin-off about the ghoul investigators Arima and Fura during their high school days.
The Vampire Bund, a peaceful island nation of vampires off the coast of Tokyo, ruled by Princess Mina Tepes, has seen its share of conflict and turmoil. Yet there are times of relative tranquility when the Bund is a popular tourist destination. When two teenage tourists visit the Bund and are unexpectedly turned into vampires, they appeal to Mina and her loyal lycanthrope bodyguard, Akira, for help. Their only hope is to find a cure to reverse their vampirism within forty eight hours, or they will be stuck as vampires forever. Unfortunately for them, their race against time turns into a game of cat and mouse that takes them across the entire Bund in pursuit of the one person who holds the key to their salvation.
Yuzuko was left alone after her grandmother passed away. Shadowed by a mysterious organization, her family murdered by a psychopath, and with the sudden "breakdown" of the world, the missing pieces to everything is revealed, and the "Peppermint" inside Yuzuko activates...
Ichihara is a boy living with supernatural powers and is treated differently by everyone except by his mother. He is trying to live a normal life but instead everyone wants to fight him and calls him a monster.
From Condensation: Matsumiya Kana’s world is turned upside down when her father is arrested on charges of embezzling from the Ministry of Defense. She decides to escape the trauma by transferring to a private boarding school, but trouble follows… Megane bishounen Kisaragi Kou gets Kana to open up to him, but what’s this?! He isn’t really who he says he is? And who’s the dude in the trucker’s cap lurking outside her window? Welcome to C-blossom -case729- a series with action, intrigue, and well…a plot.
From Tenkyuugi: In this world, there are 10 heavenly laws and 22 earthly laws. While humans cannot have knowledge of the heavenly laws used by the gods, they make use of the earthly laws. Through cards, each of the symbols can be utilized through the use of magic. Those with this ability are called magicians. Aspiring magicians study the laws in order to attend a magic institute. Nanao of Akatsuki, Kisa of Hiragi, and Nanten of Nase are freshmen enrolled at the Seventh Eastern Magic Institute. Even within the 22 laws, there exist a rare ability. Nanao, who holds this ability, will...?
When wicked rule is the righteous rule!! When delicateness is exciting!! An end-of-an-era world ruled by violent masses of sailor uniforms… The boy Jaime and the mysterious women BB who is getting close to him goes on a travel for one small wish. This is the momentary story of two people united by pure bonds.