Fairy tale girl, D cup, pale lake blue fluffy long dress, surrounded by glowing jellyfish and small fish, resting in a natural cave inside whale belly, fluorescent seaweed growing on rock walls, mixed warm and cool blue soft light, hair gently flowing with water current, shot on 85mm f2.2, Rembrandt side light, Unreal Engine 5, healing dreamy secret whale belly realm, vertical 9:16