Features the legendary concert of SEIKIMA-II held on December 27 through 31, 1999. *This is a Blu-ray featuring up-converted version of contents included in previously released DVD box set, "THE ULTIMATE BLACK MASS COMPLETE" (BVBR-11007). Note that this release doesn't includes "BACK STAGE OF SEIKIMA-II - Ura Video -," which is included in the DVD box set.