Ai ka Higurashi

 is the fourth single by Seireki13ya.

Tracklist

 * 1) Ai ka Higurashi (哀唄日夜)
 * 2) Night Merry
 * 3) Ai ka Higurashi (Instrumental)
 * 4) Night Merry (Instrumental)

Featured Members

 * Sono Homare
 * Shiki Towa
 * Nene Komochi
 * Fuwa Akane
 * Ama Mauru