Kickboxer Aratuka Kaoru visits the gym of Misono, once a renowned trainer, after securing a major upcoming fight. However, Misono, now drowning in debt and alcohol with his skills long faded, turns Kaoru away at the door. Despite this rejection, Kaoru continues showing up at the gym day after day. Gradually, Misono's heart begins to stir, and the two embark on a new beginning together.