Love is like the hole in a donut

Busy business, clumsy work-students... the monotonous days make Kurahayashi, the manager of the donut chain store, completely exhausted.Day after day, Cang Lin could only look at the number of his old lover in his mobile phone, escaping reality briefly.On the other hand, Lin Sheng, a new work-study student, is a high school student who fits the indifferent temperament of young people nowadays.Rinsheng's unique handsome appearance is very popular with girls, but he has no interest in others; but seeing the side face of Canglin who always works silently staring at the phone, Rinsheng can't help but feel curious... ... ?A high school working-study student x donut shop manager composes a beautiful love song with a 12-year age gap