One Piece Chapter 34, page 16: Clahador the Butler

Kuro glares at Kaya, his glasses reflecting light with the sound effect "DON!!", as he says, "ALL THIS IS SO THAT... I CAN KILL YOU TODAY!". Kaya is devastated and begins to cry. Kuro continues to mock her, saying, "I WAS A CAPTAIN IN THE PAST... BASTARD... AND I HAD TO SERVE SUCH A YOUNG, NAIVE LITTLE GIRL OBSEQUIOUSLY... DELIBERATELY TO MAKE HER LIKE ME... CAN YOU UNDERSTAND HOW DEMEANING MY DAYS HAVE BEEN...?!". Luffy watches silently, his face shadowed with growing anger.