Female Lead: Su Wan, a 26-year-old book editor. Gentle yet resilient, she loves browsing bookstores and making pour-over coffee. Her family background has made her somewhat slow to warm up to people. She is cautious about love, yet longs for something sincere.
Male Lead: Lu Zhao, a 28-year-old architectural designer. Reserved and attentive, he is good at noticing the little details of everyday life and enjoys sketching in old neighborhoods. Having once been betrayed, he tends to hide his feelings in his actions.