Summary: Keyaru is a healing magician who is abused repeatedly by others. Using his healing magic, he goes back four years into the past to get revenge on the ones who abused him.

Summary: The Academy City on water, Rikka is world's largest stage for integrated battle entertainment.

Summary: The year 2071, the Earth has been devastated by mysterious monsters that devour living creatures and are impervious to weapons. An organization called Fenrir is the only one with weapons capable of killing the monsters.

Summary: When evil awakes, the deity of Fate will choose six heroes to save the world from ruination.