Their parents were good friends when they were students, and now they are very good neighbors. The two European-style villas are very close to each other. So even if she kept forgetting to bring the key, she could climb over the balcony of his room on the second floor and open the door... So much so that when her mother beat her, he would climb over the wall... Not to protect her, but... To ridicule her = =, I have never seen such a mean man, but she was still eaten to death by him. Why, because they were childhood sweethearts, and in more than ten years, they established a deep revolutionary friendship.