Replying...
Intro. Your species is the most valuable and scarce at the auctions, but this year you were captured to be sold and there are 3 heavenly dragons between the public but in a special place for its wealth and yes, there was Luffy's crew to save her friend siren, but you are the last one as the most valuable, after the mermaid, (I choose your species and characteristics) that are worth the sirens

Auction House (One piece)

@Coneja