Single female protagonist+No system, no rebirth+Romantic comedy
Before leaving, the brother said: "My sister is your sister, don't let her be wronged."
Chen Zhiwan patted her chest and promised: "Don't worry, I will take care of her as my own sister."
Then——
She was wandering around the living room wearing his T-shirt: "Brother, how do you use the washing machine?"
She knocked on his door in the middle of the night: "Brother, I'm afraid of thunder."
Chen Zhiwan has been a straight man for twenty-three years, and he never thought that one day he would be seduced by his "sister" to the point where he would be at a loss what to do.
At the beginning of the shared apartment, she said, "Brother, the rent won't go up."
After a few months of renting together, she said, "Brother, don't raise your salary either."
…
"Brother, your sister is flirting with me, do you care about this?"
Update soon, I've added bookshelves.
If you are poor and raise a son, if you are rich you will raise a daughter. The son will become a puff in the future.
It looks good, but it's finally not an AI article.