"ECHO x Hibikase" -Mushup- (2015.01.27) "Asu no Yozora Shoukaihan" (2015.02.08) (Taken down on SoundCloud) "Mr.Taxi" (2015.03.02) (Taken down on SoundCloud) "Rakujitsu" -short ver.- (2015.05.25) (Taken down on SoundCloud) "Happy Birthday to OKIKU 2015ver" -Rap ver.- feat. Reol and GigaP (2015.09.22) (Taken down on SoundCloud) "I need u (Happy Birthday dear Giga 2015ver)" (2015.12.15) (Taken down on SoundCloud) "Ghost Rule" -Demo- (2016.02.29) (Taken down on SoundCloud) "FANTASTIC BABY" feat. Reol and majiko (2016.03.06) "Byoumei Wa Ai Datta" (2017.09.21)