One Piece Chapter 3, page 2-3: Chapter 3: Enter Zolo: Pirate Hunter

Luffy and Koby arrive at Shells Town, the naval base town. Luffy is extremely excited, raising his fist and shouting, "We're finally here! We made it to the naval base town." He praises Koby, saying, "Koby, you're amazing! You actually got us to our destination!" Koby, blushing but proud, replies, "Of course I did! That's the minimum requirement for people who sail the seas." Koby then advises Luffy, "Luffy, if you keep randomly floating around, you'll never become a pirate. You should find a navigator for your crew." Luffy agrees enthusiastically, "Yeah!! That's what I'll do!! Now, let's eat!!

Luffy and Koby are eating at a local restaurant. Luffy mentions that this is where they will part ways, saying, "Well, Koby, I guess this is where we go our separate ways. I hope you join the Navy and become a great sailor!" Koby tearfully thanks him, "Th-thank you, Luffy! And I hope you become a great pirate!...Even if that means we'll be enemies." However, when Luffy casually mentions, "Hey, I just remembered... That guy is supposed to be imprisoned here-- Roronoa Zolo...", the entire restaurant suddenly panics with a loud "KRASH!!!" Customers crash to the floor and tremble in absolute terror. Koby whispers to Luffy, "Maybe you shouldn't say that name out loud around here...