Hotaru, who has been dating for two years, and she and I are planning to get married next year. One day, Michael, who works for Hotaru's father's company, decides to stay at Hotaru's house. Hotaru reluctantly accepts, but that was a mistake. Michael was black, and his was so big that it couldn't be compared to Japan. Hotaru, who accidentally witnessed it, ...... her head was filled with Michael's big. The firefly that was pryed open and pushed open by the black glowing thick mara becomes exclusively for Michael. * The contents of the recording may differ depending on the distribution method.