I'm Selling My Marriage!

I sold myself for one million dollars... A newly-married life with shared bath and bed!? My husband is a rich boy in my class! Chiaki's father got sacked and she's now facing the risk of being expelled from her prep school. In desperation, she auctions herself off for marriage. She then receives a message telling her that she has been sold for one million dollars. What!? One million dollars!? It turns out that Touma Yukishiro, the richest boy in school, is the one who has bought her! He forces a kiss on her, saying that he's supposed to kiss the bride if they're to get married, and tries to take a bath with her because they're a "married couple" now...... How's this agreement going to work out!?