Chanyang Koo is called the X scholar in the department. Due to his old-fashioned personality, he once earned the dishonorable title of group task villain. Although everyone avoids him, he has already maxed out his leave of absence and must successfully complete his group assignments this year to graduate! Shin Ha-gyeol, a fellow member of the group and Hanryang swallow, appeared in front of such praise. He says he has a magpie spirit attached to him and asks praise for help... In order to make the magpie spirit become Buddha, he needs to get a dragon's tooth? … By what means?