I dont know, man.. i feel that this is the right path for the series
Remember that “forbidden” drawer of Chizuru? Im guessing she has been keeping all of his money from day 1 or something..
To show that she is sincere with her feelings, she may return the money to kazuya or something.. I know im in the minority here, but yeah..
I feel like the greatest sin Kazuya will do in the future is to fall for Mami, again.. and for Chizuru, the greatest act she can do is to return the money to kazuya and tell him her feelings are not for rent anymore