"We seem to know something... I don't seem to know."
"Qi Feng, what are you hiding from me? We are old acquaintances, right?!"
Lin Qingyue and Qi Feng were old acquaintances in a high school, but Lin Qingyue didn't know her clearly and had lost her memory. Only Qi Feng knew that he knew Lin Qingyue when he was a little fat boy!
Intention: youth