Tsukuru Tazaki, his name does not correspond to a color, so his nickname is Colorless, and as he's looking back on their friendship, he recalls that they were like five fingers on a hand.
El nombre de Tsukuru Tazaki no se corresponde con un color, por eso su apodo es "incoloro", y, él recuerda su amistad como cinco dedos de una mano.