MW(片霧烈火 & 霜月はるか) / 百の想い kt2 remix vers

Whose song is MW(片霧烈火 & 霜月はるか) / 百の想い kt2 remix vers?

Artist Album
Various
LOST CHILD Laox Original Contents Special Version (P2P版)
LOST CHILD SoundTrack & DATA CD (P2P版)
LOST CHILD Special CD -Sofmap ver.-