The phrase represents a very specific, high-intensity niche within adult Japanese entertainment, particularly in the realms of visual novels, manga, and anime (Hentai). While it sounds like a complex string of words, it is actually a combination of several popular "tropes" or themes that, when combined, create a dark, supernatural fantasy aesthetic.
Because these themes are so specific, the "lifestyle" around them often involves following specific artists or studios known for high-quality, detailed illustrations that capture the "Kyonyuu" aesthetic and the eerie atmosphere of a ritual. Lifestyle and Consumption jashin shoukan inran kyonyuu oyako ikenie gishiki hot
This denotes the character archetypes involved, often focusing on hyper-sexualized behavior or mind-control elements. The phrase represents a very specific, high-intensity niche