One common element is the power dynamic. The female teacher holds the dominant position. Another is the tease aspect, which could be through words, like using sarcasm or making witty remarks. Also, there is often a situation where the student or the recipient of the tease is in a somewhat submissive position, either because of the teacher - student relationship or the nature of the story's plot.
Chapter 201, "Passing the Door Three Times without Entering", is the clearest early answer because it pushes Daniu into a new phase or setting. The chapter turns that into something concrete by moving from The third time she passed by happened to be when she was rushing back...
Chapter 119, "Wen Jiaojiao is Poisoned!", is the clearest early answer because it turns Princess Wen's situation into a concrete plot event. The setup is What is Princess Wen talking about?, but the pressure keeps building through I can't understand a word?] [Is this some new meme?] [!!!.
Chapter 124, "Officially Certified 250", is the clearest early answer because it turns Officially Certified's situation into a concrete plot event.
Chapter 466, "Are There Really Wild Boars?!", is the clearest early answer because it turns Wild Boars's situation into a concrete plot event.
Chapter 340, "Seclusion, Growing Yu Generation, Family Banquet, Rapid Development", is the clearest early answer because it turns Xia Yuyao's situation into a concrete plot event. The chapter gives readers a real answer by opening on But unexpectedly, at this very moment, the solemn and sacred... and ending on The last time Nong Ying carried the Second Prince, she wasn't paying....
Chapter 387, "Hello everyone, this is my disciple", is the clearest early answer because a shaky connection becomes usable in the plot. The chapter turns that into something concrete by moving from Liu Suqing V: "Even if we meet, I wouldn't recognize, faces covered...
Chapter 379, "Is This the Way Huaxiu Treats Its Guests?", is the clearest early answer because it turns Is's situation into a concrete plot event.
Chapter 183, "Sacrifice Oneself, Break Them Up!", is the clearest early answer because it turns President Shang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Seeing that he held a blue ball identical to Su Yinwan's, Jiang Yan...
Chapter 109, "Not One Deserves to Stay on His Friends List!", is the clearest early answer because it turns Zhao Daniu's situation into a concrete plot event.
Chapter 234, "Chasing Wind Youth", is the clearest early answer because it turns Good's situation into a concrete plot event. The chapter turns that into something concrete by moving from Given the vast mystical powers Jiang Li had displayed before, he was...