Mysterious Devil Я

Identity
''“Perverts are cancers to the universe. Someone must purge them. Someone must.” '' —Mysterious Devil Я

Also known as Devil Я and just Я, an unknown heroine who tasked herself in eliminating Perverts in the story '''P Trigger. Bearing the code name "Я-P", Я was a stranger who came from the "Conundrum Dimension" called the H Universe.''' Seeking to accomplish her "true, dearest wish" to "purge all perverts", with her desire cleanse the universe of perverts she polished her powers and left her home town located in the Overworld.

Even before arriving at the DXD universe, she managed to save an ancient royal dynasty from a perverted crisis, settle the internal strife of the dimension, and rout perverted invaders from another universe, but such actions were trivial enough for her to not even remember accomplishing them. She will continue to polish her Goetia powers until her goal is completed, and can still be seen "dashing across the sea of Worlds" even today. No matter what, she also plans to cut down the "Scarlet Great CelestialEmperor Rissei Hyoudou."