Mao: Season 2, Episode 2

2 - 2: Shiranui

Shiranui appears before Mao, revealing their long-standing feud dating back to the Heian period, and demands that Mao hand over the secret technique of Taishan Fukun, which controls lifespan. However, Mao expresses his anger, asking why Yurako, who looks exactly like Sana, is working for Shiranui.