Ienai Teen-ager

 is the debut and only single by Lucky Mates. It was released on April 2, 2013, and peaked at #167 on the Oricon single chart.

Tracklist

 * 1) Ienai Teen-ager (言えない Teen-ager)
 * 2) Datenshi no no Koi (堕天使のの恋)