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