Quick answer — KOKIA worked on Broken Blade 4 (Theme Song Performance), Broken Blade 5 (Theme Song Performance), Broken Blade 3 (Theme Song Performance) and 5 more anime.
KOKIA worked on Broken Blade 4 (Theme Song Performance), Broken Blade 5 (Theme Song Performance), Broken Blade 3 (Theme Song Performance), Gunslinger Girl -Il Teatrino- (Theme Song Performance), Broken Blade 2 (Theme Song Performance), Broken Blade 6 (Theme Song Performance), Broken Blade (Theme Song Performance), Bungaku Shoujo: Memoire (Theme Song Performance).
