Miku's Thanksgiving Festival; 39's Giving Day. Singer. Hatsune Miku, Megurine . 39's Giving Day. Miku no Hi Kanshasai • Miku no Hi Dai Kanshasai . The word “final” was simply used to indicate it was the “final” performance of the Miku Day event. There will be more performances in the future. Hatsune Miku Live Party in Tokyo Dome (March 8,) = (MB) 6. Hatsune Miku 39's Thanks Giving Day FINAL (March 9, ) = (GB).