Masaaki Endoh
The original OVA series ran from January 21, 2000 to March 21, 2003. The opening song from Episodes 1-6 is titled by Masaaki Endoh while Episode 7 is titled by Masaaki Endoh with the GGG Sound Choir. The first ending song is titled , performed by Saeko Suzuki for Episodes 1-6 and by MIQ in episode 7 while the second ending song is titled by the anime's official cast.