In order to save her brother's life, she climbed into his bed and became his mistress.
Initially, she wanted a contract to protect her interests.
But he dismissed it. Three months was just a delaying tactic, the purpose was to trap you for a lifetime.
Later, she found a new sponsor. It was his turn to worry about gains and losses, and he wanted to tie her up with a contract for even one more day.
"Yu Xinxin, it must be mine in this life. It can only be mine."