There was a 4-player league played by

鈴木津奈 = Suzuki Tsuna    --+.  1-2
楠光子 = Kusunoki Teruko   +-.-  1-2
本田幸子 = Honda Sachiko   +.++  3-0
伊藤友恵 = Ito Tomoe       .--+  1-2

Honda Sachiko is challenger.
