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 don't know what it's like 
to have someone like that,
Ich kenne das Gefühl nicht,
so jemanden zu haben.
No sé cómo es querer así a alguien más,
No sé cómo es querer así a alguien,
Je ne comprends
toujours pas ce sentiment,
Io non ho idea di cosa significhi
provare questo,
Ainda não sei o que é 
gostar de alguém assim,
Я пока что не знаю, что это за чувство...