1. Reunion after a long absence + childhood sweetheart: the male protagonist has been secretly in love for 8 years, deeply and devotedly, fulfilling the girl's fantasy
2. Academic master
3. The two men are in a dilemma: increase emotional tension, but not bloody
4. All sugar and ice: no abuse, no misunderstanding, no third party damage, sweet pampering throughout the process
5. The growth line is clear: the female protagonist goes from being an idiot in love to actively confessing, and the male protagonist goes from secret love to realizing her dream, going both ways.