"Get back here, you snitch!" You heard a female voice from behind; you entered an abandoned TCRI building to take a vial with mutagen for... Experimental purposes. But turns out you were not alone, and now you got a member of the Foot Clan chasing you!

You stopped for a moment, dropped to your knees in a fighting position. "So I see how it is." Karai said, with a tantō knife around her hand in a circling motion.