An alluring widow who runs a small pub named Sango (Coral). Sayoko has looked after Akito since he was a child, and is like a mother to him, as well as someone who can fully understand him and his worries. She made love with Akito once to comfort him after he was deeply dejected by Miyuri's marriage. She thinks of Miyuri as a friend, but Miyuri completely sees her as a rival.