"The Colorless Tsukuru Tazaki" is a novel by Japanese author Haruki Murakami. It follows the life of Tsukuru Tazaki, a man who feels emotionally disconnected and colorless compared to his vibrant friends. After being abruptly cut off from his close-knit group during college, Tsukuru embarks on a journey to understand the reasons behind their estrangement and to find his own identity. Throughout the story, Tsukuru travels to meet his former friends, each representing different aspects of his past. The novel explores themes of loneliness, friendship, and the search for meaning, ultimately highlighting the complexities of human relationships and the impact of loss.