Genre - Tragedy

[From SnowKiss]: Aiko should be dead, but when she awakes in a secret hospital, she has no recollection of what happened that night. Until a monster showed up and her memories flood back. Her arm changed into a powerful weapon similar to the monster, a chimera arm. The secret organization Atheos asked her to help them fight off the chimeras. An accident happened that led Aiko to understand how much she wants to live, and decided to join Atheos, in order to find her place.

A long time ago, a pair of twins were born. Back then, however, multiple births were considered unlucky, so one of the twins, a girl, was... crushed to death with a millstone, buried under the shade of a large mulberry tree. The girl's soul, lacking a fully grown spirit, could not reincarnate, and as such was forced to wander the world. Only after collecting 108 individual sources of human misery/worldly desire could she move onto the next world.

Plants have evolved. They can now feed on humans and become terrible monsters known as Jinka. Kingo and Kayano do their best to survive in a Tokyo overrun by plants, but when Kayano becomes a Jinka, Kingo will do anything he can to get her back!

The two boys Gin and Jinrou form a tough team in the mountains. One day, Gin decides that the only way they can move forward is to travel to the capital and join the Shinsengumi. It soon becomes clear, though, that they are not tough enough to handle the kind of people they find in the capital. Some of them, including the current Shinsengumi members, smell like beasts to Jinrou, and they seem to have unusual abilities. After Gin's tragic death, Jinrou is determined to become stronger and join the Shinsengumi in his place!

When Futaro was five years old, his father left his home. Futaro's mother got sick in poverty. Also, Futaro has a ugly face, like Quasimodo. He's been discriminated against and treated like trash by almost everyone in his neighborhood. Finally, his mother dies because they can't afford medical treatment. Burying his mother's body, Futaro makes up his mind to do anything for money...

In the year 200X, a Japanese fleet consisting of 3 vessels leave on a mission to South America. After encountering a storm, the ship JDS Mirai find itselvf without its escorts and in the year 1942, traveling towards the island of Midway to face the American fleet in one of largest battles in naval history. The crew of the Mirai must decide whether or not to change the course of history by involving itself in WWII.

In the year 2008, high school girl Sakura Minamoto is abruptly killed in a traffic accident. Ten years later, Sakura, along with six "legendary" girls from various eras of Japan's history, are brought back as zombies by a man named Kotaro Tatsumi, who seeks to save the Saga prefecture by putting together an all-zombie idol group.