Cheng Sen and Wen Yuan are the representatives representing both parties after the company cooperates.
Cheng Sen has always been eyeing Wen Yuan.
So when Cheng Sen knew Wen Yuan was getting engaged, he went crazy.
Completely, crazy.
The unscrupulous, perverted, crazy, yandere and evil male mistress x the confused and stupid female protagonist
*The male protagonist becomes black
*Original title: Mistress and Mistress
Intent: To be completed in about ten chapters.