Oedo wa Nemurenai!

We are now in the early 18th century, the Kyouhou era, when the merchant culture was flourishing. In Yoshiwara, the red light district of Edo, there is a popular courtesan with good looks and character, called Usugumo. She in fact is a daughter of a Christianized prostitute and a shogun named Yoshimune, but the power struggle in these times doesn't allow her to be with her fath...