Promise you a lifetime of love

A white lab slip sent her straight into a state of despair. Forced by her family, she was reduced to a thief. Unexpectedly caught in flagrante delicto because of an accident. Living in poverty, she was abandoned by her stepmother in order to survive. In order to treat her brother's illness, she had no choice but to compromise. Originally thought it was just a simple transaction. Who knew that when she got the money and wanted to pull out, she fell into an endless abyss ......