"Doctor=Funk Beat" is an original song composed by nyanyannya with KAITO. It was released as a single and featured in the compilation album "-Glorious Blue-". This song is part of nyanyannya's series called "Lead Princess of the Color Stealing World." In it, Kaito plays the mad scientist Doctor Funk Beat, who grants happiness to people who come to him seeking it, and believes happiness is the "most treasured thing" that Princess Lidya is seeking. It has reached the Hall of Fame.