有未婚夫、过着平凡生活的普通上班族吉村香织突然被公司解雇。 Hello Work介绍的工作场所是一家拳击馆。在那里认识了有点奇怪的拳击手泽田良平。他毕业于一流大学，放弃了在一流公司工作的一帆风顺的日子，成为一名拳击手。

Fired by the company she works at, and desperate for a new job, accountant Yoshimura Kaoru finds herself taking a job at Paradise Gym - a boxing gym.

Through a series of events she ends up becoming the trainer of an old boxer Sawada Ryohei, trying to make something of himself after quitting his well paying job. Although she hates the sport, she finds herself attached to this rude, obnoxious man and they journey forth together to find where it is they both belong.