The Hidden Dungeon Only I Can Enter (Manga) Vol. 9 (manga)

With a drinking contest victory under his belt, a new arena to test Noir's skills awaits! The Hero Academy King of the School Year Competition is finally here, along with its coveted prize: the power to command the entire student body for a whole day! But this time, it's a female student in a uniquely revealing outfit who gives Noir the biggest run for his money. Plus, with the Interschool Match against Hero Academy's sister school, the Gifted Institute, around the corner, things are bound to get even tougher. Which hero-to-be will claim the ultimate prize?!