1/2

 is the fourth single released by Ishikawa Chiaki.

Tracklist

 * 1/2
 * 1) Suna no Ue no Dolphin (砂の上のドルフィン)
 * 2) 1/2 -without vocal-
 * 3) Suna no Ue no Dolphin (砂の上のドルフィン) -without vocal-