After the death of his grandmother, 17-year-old Sang Yu followed his strange mother to a strange city-Qing'an.
It's rainy in Qing'an, but Sang Yu particularly likes sunny days, just like chasing the sun, which is the instinct of a sunflower.
Xu Yan is the sun of Sang Yu, but rainy nights are bound to come.
Purpose: On the concerns of young girls