In Tianyong, a place where immortals have been cultivated since ancient times, Ouyang Shaogong, a disciple of Elder Zhijian, studied medicine diligently to cure his childhood sweetheart Baili Tusu's "once every month" evil attack. Under the guidance of his bad friend Qian Zang, he found the legendary piano score "Plum Blossom Yin" with healing effects, and accidentally downloaded the attachment of the long-lost "Secret Method of Dual Cultivation". While Shao Gong understood the secrets with the selfless help of Senior Brother Lingyue, Tu Su was aroused and fell into a violent state and was imprisoned in a solitary room. Tianyong City held a secret meeting of management to discuss the disposal of Baili Tu Su. In order to save Tu Su's life, Shao Gong resolutely walked into that place. A dark confinement room... This article is another derivative work of "Three Plum Blossom Lanes" by aqiuarcdia, the author of the famous ancient sword fan MV "Lanruo Temple": In the author's words, it is ["The last question" "... The person that night was me/I loved you without regrets/The child is yours"]