The Lover Who Watches the Beginning of the Month (King of Internet)

Do you have a lover at the beginning of the month? What? No one has seen it? Even the most well-informed Miki and Renji don't know? We must find the adulterer! The princes of each school made up their minds at the same time. However, with the end of the national competition, strange things happened in various schools. This beginning of the new year seems to be different from what everyone remembers. Intention: The seal in all directions is loose, Xiaochu leads everyone to seal it back