Mari Yaguchi

Yaguchi joined Morning Musume in 1998 as part of the group's second generation. She went on to front several Hello! Project spin-off units, including Mini-Moni and Morning Musume Sakuragumi, before leaving the main group in 2005.

Since departing Morning Musume in 2005, Yaguchi has remained a fixture of Japanese television, taking on drama and variety show appearances. Her years active are listed as 1998-2013 and 2015-present, reflecting a return to entertainment work after a gap.

Yaguchi holds a credited voice role within the One Piece franchise, though the specific character or episode she contributed to is not detailed in available records. It marks a departure from her more familiar work as an idol performer and television personality.

Mari Yaguchi is a Japanese singer and television personality born in 1983, best known as a former member of the idol group Morning Musume. She has also worked as a credited voice contributor to the One Piece franchise.

Yaguchi's career spans 1998 to 2013 and then 2015 to the present, covering more than two decades in Japanese entertainment. That stretch includes her time in Morning Musume as well as her later television work.