For 10 points, name this "colorless" character whose "years of pilgrimage" are chronicled in a 2013 novel by Haruki Murakami.
This character and an assistant are told a story in which a man finds a jar of formaldehyde containing an adult's amputated vestigial sixth fingers. This character's roommate tells him a story in which the roommate's father encounters a jazz pianist who possesses a "death token" that allows him to see people's auras. This character has a bizarre erotic dream in which the two girls he's having sex with suddenly morph into that roommate, who later disappears and leaves this character a box set of Liszt piano suites. This character's girlfriend is a travel agent named Sara who helps him book tickets to Finland, where he meets the sculptor Edvard Haatainen. After much searching, this train station designer learns that a fabricated rape accusation was what led his college friends, who went by nicknames meaning "red", "blue", "white", and "black", to cut off all contact with him. For 10 points, name this "colorless" character whose "years of pilgrimage" are chronicled in a 2013 novel by Haruki Murakami.
This character and an assistant are told a story in which a man finds a jar of formaldehyde containing an adult's amputated vestigial sixth fingers.
Tsukuru Tazaki [accept either underlined portion]