Ajisai, a descendant of Princess Kukkuri, is captured by villagers to be used as a sacrifice to the god Izanami. As she undergoes a harrowing ritual of despair and violation in the sacred Shiniki cave, Wakoudo desperately attempts to rescue her. However, his efforts are thwarted by Kaede, who coerces him into a dark ritual of his own under the guise of saving Ajisai.