The protagonist stole my spiritual root? Hey, heroine, give birth to me!

"Empress Dowager, I knew you weren't human long ago! Show yourself!" "Fox demon, your tail's showing! Eat my Great Mighty Heavenly Dragon!" "The Demonic Sect Master has lost his cultivation, yet you dare threaten me? You too, eat my Great Mighty Heavenly Dragon!"... Chen Xuan unexpectedly transmigrated into a novel world, becoming the male protagonist's senior brother. Unexpectedly, the male protagonist betrayed him, stealing his spiritual root and rendering him a cripple! From then on, he never saw his beautiful master or his sect's senior sister again! Helpless, Chen Xuan left the sect, wanting to marry and have children, but the male protagonist overheard this and insisted on taking him back to his home! From then on, the male protagonist's stunningly beautiful mother was irreconcilably opposed to him, and they grew up together...