My licking dog gold can be reimbursed

Lu Yu obtained the Goddess Expenses Reimbursement System.
As long as you spend money on goddesses with scores above 90, the system will reimburse you.
You can easily attack the goddess without spending a penny on yourself.
But Lu Yu accidentally discovered that,
As long as there are two acts of "spending money" and "giving" in the process of spending for the goddess, the system will determine that it has been spent for the goddess.
Regardless of whether the goddess accepts it or not, she can be reimbursed by the system.
If you can make the goddess not accept it, and at the same time find a way to get the money back,
Then it is equivalent to not only not spending money,
Earned an additional reimbursement?
Obviously it is a "strategy game" where the system helps the host get out of the order,
But... Lu Yu, who does not take the usual path, insists on playing a reimbursement game to achieve his small goals in life.
Literary young women?
Ms. Iceberg?
Gold digger?
Two-dimensional loli?
Lu Yu: "Sorry, you are all my reimbursement tools."

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