Shosuro Yasuko was born into the Tokagure vassal family of the Scorpion's Shosuro family. She was favored by Bayushi Kaukatsu with training in the Honor's Lesson Dojo under the tutelage of Soshi Tishi. She also studied at the Dojo of Lies in Ryoko Owari Toshi. She later married Ikoma Otemi, becoming Ikoma Yasuko.