My Wife Ran Off with the Master's Concubine

(This is a romance novel, with no BL or GL.) You Yuji was ordered to marry into the Chen family, only for her groom to openly fool around with a courtesan on their wedding day. It was utterly disgraceful. Everyone thought You Yuji would spend every day in tears, living as a bitter wife. Instead, she brewed tea, listened to music, sipped wine beneath the snow, and led a peaceful life of her own. She even took pity on Chen Anzhi's new concubine and treated her with kindness. After a while, the concubine began sticking close to her, calling her "Big Sister" and growing more and more affectionate. They not only ate together, but slept together, and even bathed together. But when the clothes came off, You Yuji discovered an incredible secret. She had only meant to be a little kinder to the poor concubine. Who could have guessed that, after being kind for a while, she would end up pregnant and running away with her? Chen Anzhi loved two women in his life. One was a sickly princess from another kingdom, the unattainable love of his life. After going to great lengths, he finally brought her into his household as a concubine. The other was his wife, whom he had once despised. Only later did he realize he had fallen deeply in love with her and could no longer live without her. Thankfully, both women were by his side, and he was very content. ...But can someone tell him why his unattainable love is a man, and why she and his wife are deeply in love and have two children in a year!! He hadn't even had a chance to touch his wife!!! Reader's Guide: 1. A seemingly innocent but secretly formidable cross-dresser x a gentle, beautiful young lady. Happy ending. 2. The male lead has a personality flaw and is not quite right in the head. 3. The male supporting character tries to win back his wife, but gets his ashes scattered and fed to the dogs. 4. Please don't leave comments if you've read pirated copies. No praise needed either, thanks. · Theme: Opposing the feudal system of concubinage