He never made a promise to her, but he had different feelings for her.
Careful care; dependence in every possible way;
Pretended coldness; silent love.
But...
The heroine is by no means a kind person. She has a delicate appearance but is calm, wise and calm. If you are not ruthless, you will be punished with hell.
When white lies repeated again and again break the peace
What are you waiting for?