I think we can all agree with 1 facts: we love the darker, gothic and edgier music. I love Guilty Kiss music, and definitely Seiyuu, which subsequently a string of musical group from other franchises with similar music to follow up Grace & Nocturne-Roselia-RAS-RONDO-Abyss mare-Ave Mujica.
Vocal performance is not full, so it can't be 10/10. The drum solo didn't match good for the beat, I suppose, it should be changed. Other solos were perfect.