sekai_(vocaloid)
A Vocaloid song by DECO*27 and kemu featuring Hatsune Miku, one of the two commissioned theme songs for Project Sekai, alongside Wah Wah World (vocaloid).
A Vocaloid song by DECO*27 and kemu featuring Hatsune Miku, one of the two commissioned theme songs for Project Sekai, alongside Wah Wah World (vocaloid).