There are different stories here, each related to the precepts tongshu. Why is it related to the precepts togongsuo? Actually, I don't know either. Why is it relevant? You can guess for yourself. There are sad and sweet moments here, different stories, different endings, and different openings. Are you ready to watch it? If he is abusive, you can choose not to watch it, and you can just watch the sweet one. But, now I have someone who writes about abuse first and then sweetness, you can't choose!
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.