During an era of rapid industrial growth, humanity is beset by the emergence of a mysterious virus, capable of turning humans into mindless creatures called Kabane. With a desire for nothing but human flesh, these undead beings can only be killed by destroying their hearts—which are encased in a cage of unyielding iron. Faced with such a dire situation, the surviving population has retreated into fortified cities known as Stations. Isolated from the surroundings by massive moats and towering walls, the only contact with the outside world and other Stations is via a drawbridge for armored Hayajiro trains. At Aragane Station, Ikoma works as a steamsmith to maintain the city's active transportation. Despite his role, he is angered by mankind's cowardice and inability to repel the Kabane. Utilizing his free time and knowledge as an engineer, Ikoma has created a new weapon to ward off the horde. An opportunity to test it presents itself when the Kabane invade Aragane Station, yet this encounter will prove to be much more than just a trial run for Ikoma.

In 12th-century Japan, swordsman Kurou escapes ghastly pursuers into a deep forest with his servant Benkei. Seeking shelter, the two find themselves within the secluded abode of the mysterious and beautiful Kuromitsu. While they are warmly accepted, the men are warned to never enter Kuromitsu's room. However, driven by innate curiosity and perhaps a condemned love, Kurou peeks through the ajar door, only to find Kuromitsu feasting on the blood of fallen men. He soon learns Kuromitsu is an immortal vampire, and dedicates himself to her—even becoming a vampire himself in order to spend eternity with her. But the cryptic organization known as the Red Army has enlisted the help of Benkei, who betrays Kurou and severs his head. Awaking centuries into the future in an apocalyptic modern-day Japan, Kurou sets off to reunite with his lover and exact revenge on the Red Army.

After an airplane crash during a school trip, Oribe Mutsumi and her classmates were stranded on a seemingly deserted island. Mutsumi found the other survivors, and used her wilderness knowledge to help them. She expects that they will be rescued in about three days, which doesn't seem so long to endure. However, she didn't account for the fact that the island is populated with gigantic killer insects. Her knowledge of butterflies, wasps, and more may be the only thing that will help any of her classmates survive to be rescued! (Source: MangaHelpers)

After an airplane crash during a school trip, Oribe Mutsumi and her classmates were stranded on a seemingly deserted island. Mutsumi found the other survivors, and used her wilderness knowledge to help them. She expects that they will be rescued in about three days, which doesn't seem so long to endure. However, she didn't account for the fact that the island is populated with gigantic killer insects. Her knowledge of butterflies, wasps, and more may be the only thing that will help any of her classmates survive to be rescued! (Source: MangaHelpers)