Korantangou no Koukai - London Visionaries

After a succesful mission in France the Corentin has returned to London, but Henry once again finds himself on a voyage of discovery.
First he met Rupert wandering the London streets at night, then he met the mysterious beauty Becky on London Bridge.

London Bridge is Broken Down, Dance o'er my Lady Lee
What mysteries lay hidden in this song?
Swirling intrigue opens this London story.