Xia Chengsu doesn't like Xia Chengwu because his parents gave all their love to the latter. Xia Chengwu doesn't like Xia Chengsu because the latter has the freedom he wants.
The two attended the same university, and when they met they were like strangers, never looking at each other in the eyes, and would exchange sarcastic remarks when they returned home. They all wanted to see each other, but the doors to each other were on the third floor. Occasionally, you can meet them if you go for a late-night snack. Therefore, Xia Chengwu was very depressed. Fortunately, the room had a bathroom and he didn't have to see each other when taking a bath. Next time, he should ask his parents to install a small kitchen in the room. Xia Chengwu thought beautifully.
Originally, Xia Chengwu was obsessed with Xia Chengsu when he was a child, and the latter also loved him very much. I don't know when they started to dislike each other. They had constant quarrels and even caused slight bruises on each other's bodies every three days. Of course, this was all behind their parents' backs.
Conception: