One Piece Chapter 28, page 6: The Crescent Moon

The maid explains that Kaya went to the next town to order a special present for Kuro. "SHE SAID IT'S BECAUSE TOMORROW WILL BE EXACTLY THREE YEARS SINCE YOU FIRST CAME TO WORK AT THIS MANSION. SHE SAYS IT'S AN ANNIVERSARY." She hands him a box containing a special pair of glasses because his glasses often slip. Kuro pulls them out, muttering, "ANNI-VERSARY..." The maid smiles, touched by Kaya's kindness. Kuro's expression turns dark as he looks out the window at the crescent moon, saying, "INDEED... TOMORROW REALLY IS A SPECIAL DAY... TONIGHT'S MOON, IT'S CRESCENT... ON A NIGHT LIKE THIS, EVERY CELL IN MY BODY BECOMES EXCITED..."