Wow, I haven't thought that the plot would actually continue....
Okiya is, as expected, Shuu in disguise. But I never thought that Bourbon would really turn out to be Ai's childhood friend. It seems Shinichi only reminded her of him. It seems Gin and Bourbon's rivalry started because of Ai....
How original... It reminds me a bit of the Shiratori-Sato-Takagi triangle. *eyebrow twitches
Oh Gosho, why can't you stop giving us puppy love pairings?