Years ago, the fearsome Pirate King, Gol D. Roger was executed leaving a huge pile of treasure and the famous "One Piece" behind. Whoever claims the "One Piece" will be named the new King of the Pirates. Monkey D. Luffy, a boy who consumed a "Devil Fruit," decides to follow in the footsteps of his idol, the pirate Shanks, and find the One Piece. It helps, of course, that his body has the properties of rubber and that he's surrounded by a bevy of skilled fighters and thieves to help him along the way. Luffy will do anything to get the One Piece and become King of the Pirates!
Yamaguchi Yuriko was born November 21, 1965 in Osaka Prefecture, Japan. She is a voice actress (seiyuu). Yuriko was initially part of 81 Produce, but went freelance, then joined Vi-Vo. Currently she affiliated with Aoni Production. Her real name is written a bit differently (山口百里子), but read the same way. Eiko Jinno and Yoshiko Nikaidou are aliases used by Yamaguchi Yuriko for adult games and anime.