cel shading, thin lineart, anime style, blue archive, blue archive artstyle Japanese anime illustration, Blue Archive style, 1girl, Iochi Mari, orange twin tails, long hair, white head flower, orange cat ears, white ear fur, golden hexagram halo, bright blue eyes, light blush on cheeks, relaxed and cozy smile, cute swimsuit, leaning back and lying on a large swimming ring, floating on the sea surface, one hand holding a glass of sparkling water with bubbles, body relaxed and half-lying on the ring, legs naturally bent and floating on the water, relaxed shoulders, light and natural pose, stable center of gravity, swimming ring supporting waist, abdomen, and back, eye-level shot, slightly high angle, medium shot, shallow depth of field, sunny summer seaside, light blue sea, sparkling water reflections, faint coastline in the distance, fluffy white clouds, bright and soft afternoon sunlight, soft reflections on the sea, diffused ambient light, soft shadows, smooth shadow transitions, low contrast, fresh and transparent summer color tone.
