whoo - 灰色の街 ft.ちびた

Image used: http://danbooru.donmai.us/posts/780670 (original was deleted from Pixiv, the ID was 14248741)

This is one of my favourite songs. If you're able to, please support this circle and buy the album!!

Title: 灰色の街 ft.ちびた
Artist: whoo
Album: 世界のはじまり
Event: The Voc@loid M@ster 16 (ボーマス16)