Conversion Bureau storyline. When Celestia started her plans for Conversion, she could not imagine that a group of teens would have come to stop her, and by stealing what she could not defend: the Hearts of Equestria. The Phantom Thieves are Back!
An average but nerdy young man goes to an anime convention dressed as Ichigo from Bleach. He was missing only one thing from his costume, where a mysterious merchant sells him just the item he needed. Only to be sent somewhere he doesn't know.