Illustrate a whimsical and enchanting scene featuring a colorful unicorn kitten dressed in a majestic reaper costume. The kitten's fur is a dazzling array of pastel hues, ranging from soft pinks and blues to vibrant purples and greens, creating a mesmerizing display of colors. Its large, expressive eyes shimmer with a playful glint, reflecting the mischievous spirit within. The kitten's delicate unicorn horn sparkles with a magical iridescence, casting a ethereal glow around it.
The reaper costume is intricately detailed, with flowing, dark robes adorned with intricate patterns of swirling galaxies and twinkling stars. The hood of the costume frames the kitten's adorable face, while a pair of tiny, delicate wings sprout from its back, shimmering with an otherworldly light. A miniature scythe, crafted with exquisite precision, is held delicately in one paw, adding a touch of eerie elegance to the ensemble.
The background is a fantastical dreamscape, with swirling vortexes of pastel colors and shimmering stardust creating a sense of wonder and magic. Glowing orbs of light dance around the kitten, illuminating its costume and casting a soft, ethereal glow over the entire scene. The air is filled with a sense of mystery and enchantment, as if the kitten in its reaper costume holds the key to a hidden realm of whimsy and delight.