Hotaru Amemiya learns that her boss and now husband Seichi Takano has dreamed of vacationing in Rome like in the movie "Roman Holiday". Hotaru makes plans to go to Rome for their honeymoon.

When Hotaru and Seiichi decide to combine their wedding with his business trip to Rome it sounds like a romantic and fun time for both, but things begin to go awry even before their land. What does one expect to find in Rome? Why, pasta, outdoor cafes, wine, historic sites and, well, a few surprises in this case.—aghaemi

Set two years after after "Hotaru no Hikari 2" drama series, Hotaru Amemiya learns that her boss and now husband Seichi Takano has dreamed of vacationing in Rome, Italy like in the movie "Roman Holiday". Hotaru then makes plans to go to Rome for their honeymoon. Rome, Italy prepare ... Hotaru Amemiy and Seichi Takano are coming.—AsianWiki