Cheng Jiu, who has no father or mother, is alone and helpless. To Fu Yuqi, who lost his mother at a young age, he is a sunflower, the sun, and happiness. What Fu Yuqi liked was Cheng Jiu's embrace when he was in pain and embarrassment, but what he loved was Cheng Jiu's loneliness and sadness. They were obviously made for each other, Fu Yuqi once firmly believed.
Concept: Sunflowers in the swamp are warm and sunny to the outside, but struggle in the mud inside.