CRYPTON VOCALOID4 Hatsune Miku V4X (incl. English) DVD Software Package Japan
Hatsune Miku V4X (incl. Hatsune Miku V4X is the definitive software for the virtual singer Hatsune Miku, thoroughly refining the sound source that evolved from VOCALOID2 Hatsune Miku through Hatsune Miku Append and Hatsune Miku V3. ).