What Japanese weekly magazine published by Shueisha since 1966 also known as Shūpure,serialized  a manga written by Kazuo Koike?
Lady Snowblood (manga): Lady Snowblood (Japanese: 修羅雪姫 , Hepburn: Shurayuki-hime ) is a manga written by Kazuo Koike and illustrated by Kazuo Kamimura, and serialized in Shueisha's "Weekly Playboy". Weekly Playboy: Weekly Playboy (Japanese: 週刊プレイボーイ , Hepburn: Shūkan Pureibōi ) , also known as Shūpure (週プレ ) or WPB, is a Japanese weekly magazine published by Shueisha since 1966.
Weekly Playboy