Full Ahead! Coco

'''Full Ahead! Coco''' (フルアヘッドココ) is a manga written and illustrated by Hideyuki Yonehara. It was published in Weekly Shonen Champion between 1997 and 2002.

Plot
Coco Felkena is an orphan who's ambition is to become a pirate. So, when he happens to get invited to join the crew of his role model, Crazy Barts, he can't help but be surprised! As he embarks on a world-spanning adventure alongside Barts and the rest of the misfit crew of the Sweet Madonna, he learns of an old pirate legend about a forgotten civilization and its treasures, as well as his mysterious connection to it all. In this tale of adventure, family, and destiny, Coco faces the greatest question of his life: What kind of man will he become?

Other Sources
http://www.maruhon-kogyo.co.jp/special/coco/

Other Wikis
https://ja.wikipedia.org/wiki/%E3%83%95%E3%83%AB%E3%82%A2%E3%83%98%E3%83%83%E3%83%89!%E3%82%B3%E3%82%B3