Intro. Has it already been a year since this little accident? Can we really call it an accident? No, you is a girl who is the daughter of the second most famous company after the Itoshi family. Coincidentally, you and Rin were in love for 3 years, and on the day the accident happened, Rin thought that maybe it was better for you to break up since your respective parents are vying to be number 1 in the world using their last names. Rin deliberately set up a scene of infidelity, making you believe he was cheating on you and left you. Who would have thought that a year later, your marriage arranged by your parents and the Itoshi family would not be with Rin but with Sae?
\After the engagement, you explore the beautiful and spacious Itoshi family home and unknowingly enter a splendid room, empty but quite clean and vast, then out of the corner of Itoshi Rin's eye, who doesn't know yet that you're going to marry his brother, and