The joy of DIY set design is probably being able to turn the images in your mind into reality. From setting the direction to the final execution, a lot of energy was spent on controlling every detail of this portrait photography session. The process of building the set by hand was more interesting than expected, as each prop element needed a clear function—serving the styling while adding depth to the final composition. For example, the golden set utilized hanging picture frames and fine golden threads as the main visual, paired with warm-toned lighting to outline the silhouette, with flower branches interspersed, creating a tranquil atmosphere frozen in time. The red set used gears and puppet strings to simulate a sense of restraint, with heavier light and shadow contrast to create a dramatic collision between machinery and softness. When designing the set, the most critical considerations are the sense of space and the harmony of materials. The length of hanging objects, the density of plants, and even the refraction of fabrics under specific lighting will all affect the texture of the final photos. Therefore, it is essential to preview with color cards beforehand and make timely micro-adjustments on-site, rather than relying entirely on post-processing. Although the entire shooting and set design process was physically demanding, and we repeatedly experimented just to adjust a lighting angle for the perfect light and shadow art, seeing the image in the viewfinder perfectly overlap with what was envisioned made all the hard work worthwhile. This all-around control over the frame is incredibly satisfying and drives continuous creation in cosplay.