Totsuka Maria was praying in a chapel at Seiseki Girls' Academy when a black cross comes falling from the sky. On that cross, was a fallen angel, bearing the sin of pride, Lucifer. Maria attempt to tend to the angel, but the floor falls out and she disappears. Lucifer finds herself in the depths of hell, and runs into the Demon Lord of Envy, Leviathan.
I guess bad people are bad 
at remembering things.
Schlechte Wesen haben wohl
auch eine schlechte Erinnerung.
La gente mala no sirve
para recordar las cosas.
La gente mala no sirve
para recordar.
Ad un'anima degenere sembra corrisponda
una memoria altrettanto degenere.
Acho que pessoas más 
são ruins de memória.
Похоже, у плохих существ и с головой дела плохи.