Everything passes very fast. All the training, all the exams, all the moments of affliction, happiness, sadness, astonishment lived by the class 1-A of the U.A. now it's over. They are professional heroes now. They would start with new training, jobs, and a real change of their lives. Kirishima just wanted to enjoy all those moments before confessing to Bakugo and seeing he walking away from him forever. And if that happens, Kirishima would rather go back in time to fix his mistakes. The question is, could he?