Japanese Seaside Photobook Cover

[Subject]
{argument name="person" default="Adult East Asian woman in her 20s"}, summer seaside Japanese photography book cover photoshoot.

[Core Pose]
- The woman stands next to a huge black coastal rock.
- Her body is presented in a soft profile, leaning slightly and gracefully to one side.
- One shoulder is slightly closer to the lens, forming natural body layers.
- One hand lightly touches the rock, while the other hangs down naturally and relaxed.
- She looks out at the distant sea instead of looking at the camera.
- Her expression is calm, distant, and restrained, like a quiet moment blown by the sea breeze.
- Long, wet, fluffy grey hair falls naturally, with strands gently scattered by the sea breeze.
- Wearing {argument name="outfit" default="a black bikini with a light grey knit cardigan over it"}. The knit fabric is slightly damp with clear texture and small glowing water droplets.
- The overall posture is elegant, natural, and non-erotic, maintaining real human proportions and realistic anatomy.

[Environment]
Summer seaside, black reefs under strong sunlight, shimmering sea surface, blurred distant rocks, and soft sea mist. The background is simple and clean, with faded grey-white tones and a sense of quiet nostalgia.

[Composition Requirements]
Vertical 3:4, minimalist and clean composition, Japanese photobook cover feel. Naturally presented: female profile, wet grey long hair, light grey knit cardigan, black bikini, black coastal rocks, glowing water droplets, shimmering sea, and soft mist background.
Visual layers: female profile and hair → shoulder and knit jacket texture → hand touching the rock → black reef → distant high-light sea surface.
Leave appropriate white space in the frame, suitable for cover layout, not overcrowded or intentionally posed.

[Camera/Technical Parameters]
{argument name="camera" default="iPhone 17 Pro Max mobile photography texture"}, authentic smartphone snapshot, slight wide-angle natural perspective, mobile HDR processing, shallow depth of field, clear subject, soft blurred background. High resolution, realistic skin texture, retaining natural pores, wet hair details, knit texture, and water reflections, no excessive skin smoothing.

[Atmosphere/Lighting]
Main light source (summer left backlight), dreamy high-key lighting, slightly overexposed. Auxiliary light source (water surface reflection), retaining facial and clothing details. Soft highlight blooming, slight thin mist, low-saturation grey-white tones, fine film grain. The overall atmosphere is quiet, nostalgic, and ethereal, like a poetic summer seaside memory.

[Style]
Realistic Japanese seaside photoshoot, photobook cover aesthetics, realistic, soft, cinematic, exquisite, natural, elegant, not explicit, not commercial studio style.

【主体】
{argument name="人物" default="20岁左右成年东亚女性"}，夏日海滨日系摄影书封面写真

【核心姿势】
- 女性站在一块巨大的黑色海滨岩石旁
- 身体以柔和侧面轮廓呈现，优雅地向一侧微微倾斜
- 一侧肩膀略微靠近镜头，形成自然的身体层次
- 一只手轻轻触碰岩石，另一只手自然放松下垂
- 她望向远处大海，而不是看向镜头
- 表情平静、遥远、克制，像被海风吹拂时的安静瞬间
- 长而湿润的灰色蓬松头发自然垂落，发丝被海风轻轻吹散
- 穿{argument name="服装" default="黑色比基尼，外搭浅灰色针织外套"}，针织面料微湿、纹理清晰，带有细小发光水滴
- 整体姿态优雅、自然、非色情化，保持真实人体比例与写实解剖结构

【环境】
夏日海滨，强烈阳光下的黑色礁石、闪烁海面、远处模糊岩石与轻柔海雾。背景简洁干净，带有褪色的灰白色调和宁静怀旧感。

【构图要求】
竖屏3:4，极简干净构图，日系摄影书封面感。画面自然呈现：女性侧面轮廓、湿润灰色长发、浅灰针织外套、黑色比基尼、黑色海滨岩石、发光水滴、闪烁海面与柔雾背景。
视觉层次：女性侧脸与发丝 → 肩部与针织外套纹理 → 触碰岩石的手 → 黑色礁石 → 远处高光海面。
画面保留适度留白，适合封面排版，不要过度拥挤或刻意摆拍。

【相机/技术参数】
{argument name="相机" default="iPhone 17 Pro Max 手机摄影质感"}，真实智能手机抓拍，轻微广角自然透视，手机HDR处理，浅景深，主体清晰、背景柔和虚化。高分辨率，真实皮肤纹理，保留自然毛孔、湿发细节、针织纹理与水滴反光，不要过度磨皮。

【氛围/光线】
主光源（夏日的左侧逆光），梦幻高调光线，略微过曝，辅助光源（水面反射光），保留面部与服装细节。柔和高光晕染，轻微薄雾，低饱和灰白色调，细腻胶片颗粒感。整体氛围宁静、怀旧、空灵，像一段诗意的夏日海边记忆。

【风格】
真实感日系海滨写真，摄影书封面美学，写实、柔和、电影感、精致、自然、优雅，不露骨，不商业棚拍。