Shen Ningjun woke up and his father died, but there were many doubts behind the suicide. Based on the principle of maximizing profit and suspicion, Lu Xunnan, who was rushing to marry his sister, was a suspect.
In order to find out the truth, Shen Ningjun decided to marry Lu Xunnan on his sister's behalf...
It's a bit silly, so I'll write whatever I want.
Conception: