In 2018, the virtual reality game system was officially launched. With a specific machine, you can be in the same game world as reality. At the same time, the assessment and evaluation in the virtual space has replaced the graduation methods such as thesis topics for college students, and has become an important evaluation basis for students to graduate from college and enter the society. Students explore dungeons in dormitories, and the UP points obtained by fighting in the arena have become as important as test scores. In a mysterious magical world full of fantasy elements, can the four cute babies in dormitory 315 overcome many obstacles and graduate successfully?