One Piece Chapter 26, page 9: CAPTAIN KURO'S PLAN

Usopp grabs Luffy and tries to pull him down, screaming, "YOU IDIOT!! THEY'LL SEE YOU! HIDE! THEY'LL KILL YOU!" Kuro looks up and recognizes him: "OH.... IT'S USOPP-KUN..... DID YOU........HEAR ANYTHING?" Usopp immediately tries to lie, waving his hands frantically: "NO! NOTHING AT ALL! WE JUST GOT HERE... REALLY...." But Luffy slaps Usopp on the back and yells, "HEY!! WE HEARD EVERYTHING!" Usopp screams in despair, "YAAAAAAH!! HE SAW ME!"