Enter Minase Hiroto, the hero - or rather, Blue Knight - of the action TV series "Knights of the Holy War: Grand Knights". And he's feeling blue, alright. He just wants to get to know his stuntman, Imagi Takafumi, better, but all his attempts to invite him out for drinks have been declined without fail. One day, Minase spots Imagi out on the streets and runs after him - and into a gay bar?!
After one night in heaven with the "Virgin Killer," this subordinate has been unable to complete the "task," and has no clue why. It's been 10 years since his first time and 10 years with limp di**! When he starts a new job, he runs into the "Virgin Killer" for the first time since their encounter. Venting about his pent-up emotions and erectile issues leaves him open to being teased by Hizaki. "If it's something you can do, do it, limp di**!" and he is challenged to test his problem. Will nights get even hotter than that night 10 years ago?! It's a love battle royale between a straightforward subordinate and a beautiful boss with a bad personality.