Underwater Caustics Portrait

### Creative Underwater Photography: Beauty of Caustics

**Subject:**
Use the character from the uploaded image as {{subject}}, strictly maintaining facial consistency.
The character is wearing a {{clothing}}, which appears semi-transparent due to being wet underwater.

**Action & Scene:**
The character is immersed in {{underwater_color}}, relaxed, and looking up slightly towards the surface.
Surrounded by many {{creatures}}, creating a natural ecological flow.

**Lighting (Caustics):**
The core visual effect is strong **Caustics**: sunlight passing through the wavy water surface, casting undulating light patterns onto the character's face and clothes.
Beams of light create a distinct **Tyndall Effect**, piercing through the water to enhance spatial depth.

**Atmosphere & Quality:**
- **Aura:** Dreamy, surreal, quiet, cinematic.
- **Quality:** Photorealistic, 8K resolution, high detail, capturing every droplet and bubble.

**Specifications:**
- **Ratio:** {{ratio}}