Heisei Kotohime – Darkness ~ Kokoro no Yami
Heisei Kotohime (平成琴姫) will release their new single Darkness ~ Kokoro no Yami (Darkness～心の闇) on April 8.
This is the 2nd single from Heisei Kotohime (平成琴姫).
6 versions are available. The track listing is different for each one of them.