医生和护士夜晚值班

There was a trace of sadness in his eyes, and he shook his head slightly: After practicing for so long this time, why is it so difficult to realize another origin of ten thousand ways between life and death? If I could master another source of all things, I might be able to transform. Alas, I failed again. Perhaps practitioners can only master one source of all things? I, Pauline, am I struggling in vain?...