妄想スケッチ (Mousou Sketch)

Background
This song was uploaded on January 8, 2011, and has reached over 900,000 views.

This song is featured in Project Mirai and Project DIVA Arcade with both the original vocals by Miku as well as a version by Rin. It has also been featured in albums such as コタエアワセ (Kotaeawase), 小さな自分と大きな世界 (Chiisana Jibun to Oukina Sekai) and the Exit Tunes compilation Vocalonation.