Help! My Unhinged Master Insists I Become His Dao Companion!

Transmigrated into a novel with nothing but a useless system, Yan Bai has one mission: save the villain Tan Wusheng from his doomed fate. The plan? Become his devoted disciple, shower him with warmth, and find him a suitable partner—anyone but the innocent heroine! But when Yan Bai's carefully laid schemes spiral out of control, he makes a horrifying discovery: the beauty nestled in his Master's arms is himself. How did reforming a villain turn into becoming his Dao companion?!