When An Lan met Yu Zhian for the first time, he noticed a shallow half-moon-shaped scar on his index finger.
When An Lan met Xiu Yi for the first time, he found a similar scar at the same position on his index finger;
When Xiu Yi first met Qin Shu, she was wearing a long black skirt and had a small red mole between her eyebrows.
When Xiu Yi first met An Lan, she was also wearing a long black skirt and had a similar red mole between her eyebrows.
Am I a stand-in? What a coincidence, so do you.
It doesn't matter, you and I are both substitutes, no one should take it seriously.
Demining: There is a ten-year age difference, and neither male nor female protagonist is a good person.
Purpose: Both loving and being loved require learning
