2014 - 10 tracks

Akuma no Riddle Character Ending Theme Collection 2 - Kuro Kumikyoku：Ha - Juunen Kurogumi

2014 - 8 tracks

Akuma no Riddle Character Ending Theme Collection 3 - Kuro Kumikyoku：Kyuu - Juunen Kurogumi

2014 - 10 tracks

Akuma no Riddle Character Ending Theme Collection 1 - Kuro Kumikyoku：Jo - Juunen Kurogumi