Bai Yi is Shen Zhao's doctor. When Shen Zhao was about to fall into darkness, Bai Yi illuminated his world and was a beam of light that illuminated himself.
Shen Zhao is Bai Yi's patient. In Bai Yi's eyes, Shen Zhao is like the sun surrounded by dark clouds. As long as the dark clouds disperse, it will illuminate the world. I am the light that shines through the dark clouds to illuminate you.
Purpose: Life has many accidents and misfortunes, including diseases, natural disasters, and man-made disasters, but even so, don't give up hope. Only by persevering can the future shine.