Mahiro is the prince of Mismarca Kingdom, he won't do study nor learn sword skills, he is a lazy prince who only plays until late night. His Imperial Bodyguard Pariel would always scold him for his behaviour. And towards that Mismarca Kingdom, an elite squad from Demonic Kingdom Granmarsenal is aproaching. The Leader of the squad is Lunas, a warrior princess, the third Princess of Granmarsenal. All of Mismarca's vassals voiced their will of fight and bring an all-out war, though there is one man said cowardly "Why don't we have a talk with them?". What kind of fate awaits Mismarca Kingdom and its useless Prince, Mahiro?

When she posted a picture of herself slamming a beer, her Twitter suddenly gained tens of thousands of followers. Now with her full cooperation, the story of "Truck Meimei," a female truck driver who became a Twitter sensation, has been made into a manga! This is a work comedy where the best meal is relaxing and having a beer after work! (Source: Comic Days, translated)