Habaki (oppressor) and En (femboy) are a pair who grew up together in the same brothel. En struggles with abnormal milk secretion when lactating: sensitive not only to his partner, but to other roosters as well. To make things worse, En developed a genetic mutation where common suppressants and condoms are no longer effective - at least, that's how it appears. A clueless Habaki continues to neglect his career prospects as a camboy for En's well-being. On his first day as a transfer at a new brothel (Bussy Crusaders), he begins to investigate an omega rape case. Meanwhile, producing excessive amounts of pheromones, En reaches out for Habaki as he enters his estrus cycle — almost as if he's an omega...