: Arc System Works has uploaded the full story modes for previous games ( Xrd ) and chapters of Strive on their Official YouTube Channel .

: The time-traveling witch I-No seeks to regain her god-like powers by merging with her missing half. She eventually succeeds, threatening to erase human desire and individuality to "save" the world.

: The primary threat is Happy Chaos , the "Original" magic user who has gone insane. He seeks to plunge the world into "drama" by using a powerful artifact called the Tome of Origin .