The game was played as night fell upon the region using three separate rooms. In preparation, participants would light 100 andon in the third room and position a single mirror on the surface of a small table. When the sky was at its darkest, guests gathered in the first of the three rooms, taking turns orating tales of ghoulish encounters and reciting folkloric tales passed on by villagers who claimed to have experienced supernatural encounters. These tales soon became known as kaidan. Upon the end of each kaidan, the story-teller would enter the third room and extinguished one andon, look in the mirror and make their way back to the first room. With each passing tale, the room slowly grew darker and darker as the participants reached the one hundredth tale, creating a safe haven for the evocation of spirits.

However, as the game reached the ninety-ninth tale, many participants would stop, fearful of invoking the spirits they had been summoning.

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