Nameless

A group of high school teenagers are suprised one day to find that the citizens of Tokyo are turning into zombies. They band together to stay alive and escape.

Sora and Shiro are a pair of siblings, brother and sister, who are well known as brilliant. Yet they are NEETs - useless to society, and (Not in Education, Employment, or Training) - and even worse they are completely house-locked shut-ins (hikikomori!

Edward Elric makes a fatal mistake that drags his brother and his own body into an abyss, and they must seek the philosopher's stone to return their bodies to normal. They learn more and more about alchemy along the way during their adventures.

Alucard is not just any immortal, but probably one of the oldest and strongest beings known to exist. This vampire, however, is duty bound to the Hellsing family, who acts as the dogs of England's queen, protecting the country from the most dangerous parts of the underground, namely other vampires.

In 1972, 26 years ago, a very popular honor student named Misaki died partway through the school year in Yomiyama North Middle School’s class 3-3. The rest of the students, devastated by the unexpected loss, decided to carry on as if their classmate were still alive, going so far as to keep the desk in place and bringing it to the graduation ceremony.