A vibrant illustration featuring a kitsuné with glowing, ethereal tails swirling gracefully, an imposing Oni with fierce, fiery eyes and intricate armor, a mysterious Nué blending various animal traits in a captivating design, and a whimsical Tengu with a mischievous expression and elaborate wings, all set within an enchanting funji-themed decor that enhances the mystical atmosphere. The artwork is presented in a highly detailed, anime style, capturing the essence of each character with rich colors and intricate patterns, rendered in stunning HD quality and a 2K resolution, adding a touch of fantasy and creativity to the core concept.