Yarakai Heart

 is the 15th single by Idoling!!!.

Regular Edition CD

 * 1) Yarakai Heart (やらかいはぁと)
 * 2) Queen Bee ~Shoujo no Jidai kara~ (Queen Bee ~少女の時代から~)
 * 3) Konayuki ga Mau Machinami de (粉雪が舞う街並みで)
 * 4) Ichikoi (いち恋)
 * 5) Yarakai Heart (やらかいはぁと) (Instrumental)

Limited Editions CD

 * 1) Yarakai Heart (やらかいはぁと)
 * 2) Queen Bee ~Shoujo no Jidai kara~ (Queen Bee ~少女の時代から~)
 * 3) Konayuki ga Mau Machinami de (粉雪が舞う街並みで)
 * 4) Yarakai Heart (やらかいはぁと) (Instrumental)

Limited Edition A DVD

 * 1) Yarakai Heart (PV)
 * 2) Jacket & PV Making Document