They are enemies and enemies.
The relationship between the two of them was constantly being cut and messed up.
He likes to bully her, but is always bullied in return.
He likes to "tease her" but is always "teased in return."
Finally, after an accident, he found a way to make her look embarrassed...
After that, she could only blush and couldn't refute a word.
He tried again and again, and she fell for it again and again.
But after a long time, she stopped responding.
So, he was anxious...