You are Ginji, an exceptionally strong young man who loves fighting. You're constantly scouring the streets for a good brawl, and it is during one such stroll that you encounter the Jewel Knights -- three girls with magical powers who are battling an evil organization known as Ragnarokkr. In a strange turn of events you are recruited as a helper to the Jewel Knights, with the alias of Jewel Silver. However, it is only with the condition that you may do whatever you want with the three girls that you agree to help them. Thus starts your new life as a superhero. Enjoy!