A smile from his high school days shone a glimmer of light into his boring and miserable life. He secretly observed her, slowly fell in love with her, and became a people's policeman for her.
After working, he actually became the uncle of the naughty king in his class. She retreated and he chased.
They break through secular class differences, pursue the meaning of life together, and become the light in each other's lives.
Intention: pure love; secret love; growth