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.
This is going to hurt, so prepare yourself.
Das wird wehtun,
beiß die Zähne zusammen.
Esto dolerá, prepárate.
Esto dolerá, prepárate.
Prépare-toi, car ça va faire mal.
Farà parecchio male,
perciò ti suggerisco di prepararti.
Isso vai doer bastante, 
então prepare-se.
Тогда готовься, ведь будет больно.