Who killed Su Qingyi in the first lamp?

After Lily's drug trafficking in the "hotel" was known by Sue's mother, Sue's mother confiscated those drugs, which made Lily's drug dealer boyfriend always pay attention to Sue's mother.

Not only did he go to the "hotel" to look for drugs, but they also didn't find drugs, thinking that drugs should be hidden in Sue's mother's house. When they were rummaging through Sue's mother's house, they were caught by Sue's mother, so the two sides had an argument. Sue's mother was killed.

An Analysis of the Existing Clues of Su Qingyi s Death in The First Ray of Sunshine;

Su Qingyi, the deceased, died of intracranial hemorrhage caused by external brain force. It can be judged that Su Qingyi was murdered. Although Su Qingyi committed suicide once, because Mr. Nakamura gave her an unknown future, she agreed to his proposal and was full of hope for the future, so she won't commit suicide again.

Although the king held a grudge against her, he didn't kill her. In addition, the play also introduces that the body was taken off far away. Even if Wang had a dark heart, she wouldn't do it. She consulted Su Qingyi, but it was just some high-spirited words. But Li Shuhua won't, because she was fired, which is a common setback in life and won't make people commit crimes.

Although Ji Manru is jealous of Su Qingyi, she also knows that Mr. Nakamura doesn't like her. It is a foregone conclusion that Nakamura will take Su Qingyi to Japan, so she won't kill anyone. Where is Luo? Although she still loves Jiang Han, Luo can't be angry when she learns that her best friend is in love with the person she loves. When Su Qingyi quarreled with Wang, she came out to clarify, knowing that she would never do such a thing.

I think Huang Lili is most likely to collude with her boyfriend. Because the audience thinks that drug addicts are definitely fugitives.

Even if Huang Lily doesn't do it, there is no guarantee that her boyfriend won't use her to do it. I must have learned that Su Qingyi was going to Japan the next day. Wang Baijie is worried that she will take the goods with her. On the way home, she asked her for goods, but in vain. Kill her in a rage, and then throw her to the place where the mudslide happened to cover up the bad weather.