"It's best to find someone to gather evidence on Li Shuanzhu and that woman! Evidence of infidelity will be highly beneficial for you in dividing the property. After all, Li Shuanzhu has been managing the store for years, and the court is likely to consider the store as marital property, so not even a penny should go easily to Li Shuanzhu.
If it can be sold, sell it. If you're worried about the money, you can trust my older sister to help you safeguard it. Rest assured, she won't let you down. When the time comes, write an IOU if needed, present the evidence if necessary. The court won't make you hand over the money. No money, let's see how Li Shuanzhu can keep his arrogance then.
Don't feel sentimental, if you want to protect your career, give up the house and other things, otherwise, there will be many troubles later.