Beelzebub, the Sixth Mortal Sin of Gluttony, is running underground eating parties when Lucifer decides to crash one of them. Beelzebub is challenged to an eating contest by Lucifer, but when they both eat as much as they can, Lucifer becomes ill and ends up in the hospital. Her magic should prevent her from getting sick, but she's severely weakened. Will her time in the hospital bring her some humility?
I'm sure she won't realize the 
secret of the heart, but...
Sicherlich kennt sie nicht
das Geheimnis um das Herz, aber …
Seguro que no descubrirá
el secreto del corazón, pero…
Seguro que no descubrirá
el secreto del corazón, pero…
Sono certa che non capirà qual è 
il segreto del cuore, ma mi chiedo...
Bem, ela não deve saber sobre 
o segredo do coração, mas...