After discovering time travel, a university student and his colleagues must use their knowledge of it to stop an evil organization and their diabolical plans.

A 17 year old socially awkward orphaned shogi player, dealing with adult problems like financial difficulties, loneliness, and depression.

17-year-old Shinichi Izumi is partially infected by a Parasyte; monsters that butcher and consume humans. He must learn to co-exist with the creature if he is to survive both the life of a Parasyte and human, as part monster, part person.

Mari Tamaki is in her second year of high school and wants to start something. It's then that she meets Shirase, a girl with few friends who's considered weirdo by the rest of the class and...

Believing in humanity and order, policewoman Akane Tsunemori obeys the ruling, computerized, precognitive Sibyl System. But when she faces a criminal mastermind who can elude this "perfect" system, she questions both Sibyl and herself.

Honda Goro the son of a famous baseball player loves nothing more than baseball itself. His biggest dream is to show his father that he can become the best pitcher in the world despite all ...

Third-year high school student Koyomi Araragi is human again. Cured of his vampirism, he seeks to help other supernaturals with their problems. Koyomi becomes involved in their lives, revealing secrets in people he once knew.

After the events of the anime, Rintarou begins to feel the repercussions of extensive time travel, and eventually completely fades from reality. Kurisu, being the only companion to remember him, now must find a way to bring him back.