Coworkers 2

Rei Takashiro, CEO of a pharmaceutical company specializing in secondary genders, decides to personally volunteer for the clinical trials of a new drug for alphas.
Upon returning to his office, he is shocked to find his secretary Takashi in a powerful state of rut with no known cause.
As they scramble for emergency suppressants, Takashi confesses that he's a "superior alpha" ? that is, a special secondary gender known as "sigma"...
Sigmas are so rare that there's still no clear method of treatin