This manga follows Maou and his comrades as they try to figure out who's responsible for hurting their friend Chiho. They suspect it might be an Angel and set out to find them. With the ultimate Maou/Alciel combo, they plan to paint the town red once they confront the culprit.

The Devil Is a Part-Timer!, Vol. 11 (manga)

Do you want fries with your hellfire? Being soundly thrashed by the hero Emilia, the Devil King and his general beat a hasty retreat to a parallel universe...only to land smack in the middle of bustling, modern-day Tokyo! Lacking the magic necessary to return home, the two are forced to assume human identities and live average human lives until they can find a better solution. And to make ends meet, Satan finds gainful employment at a nearby fast food joint! With his devilish mind set on working his way up the management food chain, what will become of his thirst for conquest?!

The Devil Is a Part-Timer!, Vol. 11 (manga)

Satoshi Wagahara, Akio Hiiragi