Yesterday, today, tomorrow... "Fun" every day makes these girls stronger. This is the start of their slow life at the strongest academy! This is a spin-off of "Eiyuu Kyoushitsu" (en: Hero Classroom) based on the original story written by Araki Shin. At the Rosewood Academy we're all so familiar with, the youth story of the younger girls from the lower classes, centered around Makino, starts.