Do you want fries with your hellfire?To fight Ignora, Maous group must restore Devils Castle to its former glory. However, because of his schedule at MgRonald, Maou needs to save time on his commute by staying in Japan. While hes stuck there, Suzuno, Laila, Albert, and Rumack travel to the Northern Continent to retrieve the Spear of Adramelechinus. Maou, unable to help themand living the bachelor life, alone in his apartment for the first timereceives chocolate from a work trainee, but how will the other women in Maous life react to that news?! The Devil King faces off against his next enemy: Valentines Day!