Iruka no Natsu

 (イルカの夏) is the debut single released by Kimura Yoshino. It, and peaked at #15 on the Oricon chart.

Tracklist

 * 1) Iruka no Natsu (イルカの夏)
 * 2) SUNNY SIDE STORY
 * 3) Iruka no Natsu (イルカの夏) (backtracks)