Nearly a year after Enishi's jinchuu, Kenshin finally seems to start gaining the confidence to make his feelings known to Kaoru. But the arrival of a foreigner and the rise of a new drug on the market, seems to complicate things for everyone; especially for Kenshin.

When Kaoru stumbled upon an interesting object, she did not expect to unravel an entire world full of dangerous secrets, plans, and information. Nor did she expect to become a target. And the rise of Battousaii who mysteriously disapeared two years ago only seems to complicate things even further.