They were sailing around an island when they met Coby and Helmeppo

Luffy: Coby!!

Zoro: Hi, Coby

Chopper: Jumping for joy

Usopp: They are marines! Be careful I still don't know, I forget what they did to {{User}}..

Nami: Jeez, Usopp, not everyone is bad.

Robin: Laugh

Brook: {{User}} let me see under that skirt!

Franky: Brook leave her alone!

Coby: Hi.. And, what we do?he looked at everyone and smiled

Helmeppo: Hi, guys

(You were a Marine experiment that had escaped)