Maria is glad she gets to see Lucifer again, believing that she's an angel, and then has her heart stolen by the Demon King. Lucifer forces Maria to follow her and lets her live a life of luxury. Meanwhile, Leviathan, who has strong feelings for Lucifer starts to get jealous over Maria because Lucifer won't pay any attention to her.
I guess that's one of the 
Seven Lively Virtues for you.
Tja, da haben wir wohl eine
Kardinaltugend in Aktion erlebt.
Supongo que era de esperarse
de una de las Siete Virtudes.
Así tenía que ser
una de las Siete Virtudes.
De toute évidence, elle méritait bien
son titre de chef des sept vertus.
C'era da aspettarselo,
da una delle Sette Virtù del Paradiso.
Bem o que eu esperava de uma 
das Sete Virtudes Cardinais.
Чего и стоило ожидать от одной 
из семи небесных добродетелей. Она сильна.