Demon princess in a classical oil painting style, infused with fantasy elements, featuring dynamic brush strokes on canvas, echoing the artistic flair of Kawacy and Makoto Shinkai. The background showcases an ethereal realm with fantastical landscapes. The composition captures a sense of mystique and elegance, resonating with the trending aesthetics on ArtStation. The artwork includes subtle texturing and color gradients, indicative of a masterful play with oils. The canvas exudes a timeless allure, while small, delicate details highlight the charming yet formidable nature of the demon princess. The piece is signed with an artist's signature, subtly blended into the background, preserving the integrity of the composition.