Ye Jin, for this world, she chooses a "passionately watching" mentality, with both love and a detached indifference.
Chen Xun, he is aloof. In the eyes of others, he seems to be indifferent to everything. In fact, this is not the case. He is aloof, just because of his personality.
After approaching him step by step, Ye Jin could feel the warmth from the "iceberg", and her feelings for him slowly fermented unconsciously.
Chen Xun is a sober person. From the moment he didn't want to hear Ye Jin call him teacher, he realized that his feelings for her were different.
Purpose: Youthful love