What makes Best of Hero by Mai Kuraki notable?

'Best of Hero' showcases Kuraki's evolution as an artist and consolidates her popularity in Japan, featuring hit singles that resonate with her fanbase. This compilation not only served as a celebration of her previous works but also achieved notable commercial success, further solidifying her status in the J-pop industry. Released in 2006, 'Best of Hero' marks a significant compilation in Mai Kuraki's career, following her successful streak of albums since her debut in 1999. At this point, she had already established herself as a prominent figure in the J-pop scene, celebrated for her emotional vocal delivery and engaging songwriting.