Mari Yaguchi to Straw Hat (矢口真里とストローハット) is a Japanese group project associated with Mari Yaguchi, the former Morning Musume member. The group recorded "Kaze wo Sagashite (風をさがして)", which was used as the opening theme for One Piece, and maintained an official website at http://www.avexnet.or.jp/yaguchimariwithstrawhat/.
