Mr. Sunshine

 is the first and only single released by Echigo Sisters Geeks. It was released on October 1, 2016, and is only sold at events and comes with a signed gravure picture of the both of them.

Tracklist

 * 1) Mr. Sunshine

Featured Members

 * Echigo Akari
 * Echigo Yukari

Single Information

 * Lyrics: Echigo Yukari