あの夜からキミに恋してた

You’re a serious-minded career woman working at an advertisement agency, but you’ve just made the biggest mistake of your life...
You wake up the morning after a party, and find yourself in an unfamiliar bed!
Is he just here to fool around? Or is he serious about you...?
You know you can’t get too involved, but each text from him sets your heart racing...

[from Official page]