When was the song “Prologue ~Edge Of The Unknown~” released by Yui Horie?

The song Prologue ~Edge Of The Unknown~ was released in 2015, on the album “World End no Niwa”.

Yui Horie

Itsukara kono kioku
Dokomade kono sekai

Zawameku kigi yo
Yasashii kaze yo
Donna iro ni michite

Koko ni ikiru koe wo

Saa
Kikasete

When was the song “Prologue ~Edge Of The Unknown~” released by Yui Horie?: The song Prologue ~Edge Of The Unknown~ was released in 2015, on the album “World End no Niwa”.

2009 • Silky Heart

2012 • Himitsu

2009 • HONEY JET!!

2013 • Golden Time

2015 • World End no Niwa

2001 • Kuroneko To Tsuki Kikyuu Wo Meguru Bouken

2005 • Usotsuki Alice To Kujiragou Wo Meguru Bouken