Wakana Sakai is a Japanese actress, writer, and former gravure idol. Her real and former stage name is Miyuki Sakai. Sakai is represented with Moon the Child, and later A-team. She is left-handed. Wakana Sakai is a Japanese actress, writer, and former gravure idol. Her real and former stage name is Miyuki Sakai. Sakai is represented with Moon the Child, and later A-team. She is left-handed.