SCI FI

The world has become a desolate, lawless land where bandits roam free, innocent people suffer, and demons lurk around every corner. Souna Yuuki is traveling with his family when they are attacked by bandits. His entire family is murdered, and he is left with a snake mark on his hand. As he is about to die, a women comes up to him and gives him an option: continue to live in this harsh environment or die peacefully now. Yuuki chooses life and Garami, the woman, gives him a second chance at life in exchange for his servitude. Garami is a weapons merchant and a gun for hire that travels from town to town for clients. Yuuki sees how brutal and unforgiving this world can truly be.

EX-ARM manga summary: Akira Natsume seems to almost have a phobia of electrical devices while also being very good at diagnosing them. He resolves to change himself for the better and get a girlfriend like his older brother did... But then Akira suddenly dies in an accident. 16 years later a special policewoman and her android partner retrieve and activate a highly advanced AI and super-weapon called EX-ARM and put it into full control of their ship as a last resort. Turns out the AI is actually just Akira brain!

A story about a fallen superhero and the totally normal girl who saves him.

The story is set in a world where supernatural powers exist through science, and magic exists through religion. In the story, Touma Kamijou is an ordinary high school boy with terrible academic scores and a power called Imagine Breaker. Imagine Breaker can defeat any other power, but it also undermines Kamijou's own good luck. His Imagine Breaker's immense strength is literally immeasurable, so hapless Kamijou is listed at the supernatural level of 0. He happens to meet a girl in white hanging off his window balcony. The girl says she is being chased by sorcerers, and Kamijou learns that the girl is a Church of England nun whose memories have been forcibly replaced by Index-Librorum-Prohibitorum the 103,000 forbidden texts of the Church.

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From MangaHelpers: Professor Doug Wright teaches at Bennett University, teaching subjects such as bio-terrorism and chemical warfare. One day, he receives a letter from Asia's largest private high school academy: Marhawa Academy. The letter reads: "A biohazard has occurred inside the academy grounds." Doug immediately departs to investigate this incident with his nephew, Ricky, as his assistant. What he finds there looks to be another Raccoon City inside all over again. With the help of Chris Redfield and the BSAA [Bio-Terror Special Operations Unit], will he be able to stop the madness of the t-virus inside this isolated school? [DrCoke]