Hino Miharu, unable to get into a decent university or land a full-time job, lived a down-on-his-luck life working at a convenience store where both his coworkers and customers treated him like a doormat. That is, until Knecht, a mysterious faceless man dressed in a jet-black Santa suit, whisked him away to the North Pole for a job at his company, the Santa Claus House! With a hefty salary, incredible benefits, and a dorm filled with wonderful coworkers,...

"Miharu's mother Haruko comes to tour her son's company, where she meets Rudolph. Teppei suddenly appears and confronts Rudolph, using his Cupid's Arrow on Haruko and turning her into his ally! Teppei is acting under the suspicion that Rudolph is actually Miharu's father, but is there more behind his heinous behavior? The situation takes an even more chaotic turn when a giant mouse attacks! Get ready for a clash of emotions, epic battles, and more...