The Logical Pink Gizmo and The Gingerbread Man

Background
When we break the limit of our rational sense of reality "Gumi" pops out of our headsSteampianist's first original song and his fourth Vocaloid work.

Trivia

 * It is confirmed by the producer the "logic Pink Gizmo" refers to the brain, while "the ginger bread man" refers to the body.