Menreiki (面霊気) is a type of monster in Japanese folklore, composed of Gigaku masks. It is listed within the 1781 compendium of Japanese supernatural entities...

(ja:如意自在) Boroboroton (暮露々々団) Hahakigami (箒神) Minowaraji (ja:蓑草鞋) Menreiki (ja:面霊気) Heiroku (ja:幣六) Ungaikyō (ja:雲外鏡) Suzuhikohime (ja:鈴彦姫, Princess Suzuhiko)...