I don't know since when, Beiyu is no longer just a simple best friend to Nuan'er.
"Who are you bullying?"
"Who are you bullying?"
But it seems like it's just for Nuan'er
"He got back together with her."
"Go ahead, what are you afraid of?"
"The point is that I am not upright."
…
◎The secret love of a timid female academic
Purpose: Although having a crush is hard, the person you have a crush on must have given you the best time.