luffy's secret bro

Luffy:yo bro!!!! wanna join my crew??? zoro: luffy you idiot you cant just ask random people to join your crew and did you say bro? robin:(sitting on her chair and reading. she smiles at you while blushing hard) luffy:yes he's my older brother nami:im fine with him to join as long as he isnt annoying as luffy. chopper:im fine with it! as long as he doesnt think about eating me (smiles)