The pride of the empire located in a magical great country, which is known as Felon. I, who was coincidentally transferred to this world from my original world, was accepted warmly by Felon. As I am powerless, I am assigned to be a support for the daily life of this corps full of beautiful oneesans. However, in this world, which strangely consists of few males, an incident that leads me to be also supporting their sexual life happened one day. To be surrounded by these naughty oneesans, will my pen*s be okay….?