|This article is about a/an spin-off media story in Kamen Rider Kuuga.|
Dark Side is the second Kamen Rider Kuuga Edition of S.I.C. Hero Saga, based on Kamen Rider Kuuga. It continues the expansion of the series mythology. Dark Side ran in a separate special issue titles Hobby Japan Mook S.I.C. Official Diorama Story S.I.C. Hero Saga vol.2.