Okay, everything else the ML has done aside, how is he letting the empress get away with pretending to be pregnant with his child? He knows he has not fucked the empress.
It is convenient. He is under the impression that the Uke is infertile and has 0 interest bedding the Empress. Nonetheless, he still needs a heir. So, this fakery is a win-win.
Okay, everything else the ML has done aside, how is he letting the empress get away with pretending to be pregnant with his child? He knows he has not fucked the empress.