It's been two full years since Koutarou first started at Harukaze High as a freshman and a battle for his apartment turned his life upside down. A lot has changed since then. His former rivals are now his closest friends, and they've even added a few new faces to the group. Revisiting things like the inter-club obstacle marathon during the sports festival as third-years is going to be a wild ride, compounded even further by the danger lurking just around the corner...