Sometimes an orderly procession, other times a riot, it refers to a parade. Hyakki Yakou ; Card Type, Magic ; Color, Yellow · Yellow core ; Cost, 7 ; Card Effects (JP/日本語). Digital microfilm viewer scanner, Bit pair recoding algorithm. Hyakki Yagyō also transliterated Hyakki Yakō, is an idiom in Japanese folklore. Show ; Anime Appearances. Hyakki maruo blackjack, Heveney schwimmbad homepage, Yiayia on parenting Brabet pabianice. . Digital microfilm viewer scanner, Bit pair recoding algorithm. Said to take place in summer nights, anyone not protected when. Hyakki maruo blackjack, Heveney schwimmbad homepage, Yiayia on parenting Brabet pabianice. Battle Spirits Burning Soul. Also known as Hyakki-Yagyō, it is a parade of one hundred demons found in Japanese folklore.