Signal Graph

 is the fifth single by Annabel.

Single Information
Signal Graph was used as the opening theme for the anime Koi to Senkyo to Chocolate.

Tracklist

 * 1) Signal Graph (シグナルグラフ)
 * 2) STEP AHEAD
 * 3) Signal Graph (シグナルグラフ) (inst.)
 * 4) STEP AHEAD (inst.)