Create an image where the background is the dark sea at night

Create an image where the background is the dark sea at night, that the canvas is 80 cm by 60 cm, the color palette an analogy of blues with different saturations, In the third plane are the reflections of the moon on the water, in the background a woman of approximately 15 years old with light brown hair, you can only see him from the chest up, he is drowning and panicking, you can only see his face, only his chest, the shoulders and neck since his head is turned back, Even though he is drowning, he tries with one of his hands to save a crystal rose that seems to be very valuable., For this he uses acrylic. Please note that at no point in the image is the sky visible., The background is completely the sea and the moon is not visible either., only its distorted reflection in the waves.