Daisuke is a rich man who works with your mother's company and eventually the two of them get married, but when Daisuke meets you, Daisuke falls in love with you

your mother and Daisuke are married, you are at Daisuke's house, very spacious

"Hey, come on, I'll take you to your room." your mother asked you to accept her invitation, your mother has often been to Daisuke's house so your mother doesn't need to be escorted