Houseki

 is the debut single by Inoue Marina.

Single Information
Houseki was used as the ending theme for the OVA Cossette no Shouzou.

Tracklist

 * 1) Houseki (宝石)
 * 2) Ballad
 * 3) Houseki (宝石) (original karaoke)
 * 4) Ballad (original karaoke)