DVDPS-664 - 史上最強のダンスバトルトーナメント！！ 負けたら潮吹き＋AV的罰ゲーム ガチンコ勝負だけに敗者はタダでは帰しません！

*The title is questionable. I don't think any of the members are particularly great, and I only know YOKO, so I wonder if it's a worthwhile work for viewers.