Sin: Nanatsu no Taizai Temporada 1 Episódio 2

Maria is glad she gets to see Lucifer again, believing that shes 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 wont pay any attention to her.