what happens when class 1-A gets the opportunity to go to Yokohama for their winter vacation, which is infamous for the multiple deaths of pro heroes? With a lot of hesitation a few students end up going alongside their teacher Aizawa, but what happens when they get to know the real Yokohoma rather than the ones told to them as stories, and what happens when unexpected groups team together to take down 1-A and the ADA Rankings: 4/1000+ in ml