One Piece Chapter 17, page 17: Chapter 17: HIGH LEVEL, LOW LEVEL

Zoro finishes his sentence, declaring, "WE'RE PIRATES!" before collapsing face-first onto the ground from exhaustion. He mutters, "LUFFY... I'M GOING TO SLEEP NOW." Luffy smiles and flexes his arm, reassuring him, "GO AHEAD AND SLEEP! I'LL TAKE IT FROM HERE!"