Hunyuan Video I2V make the central character walk. move your legs and arms smoothly. create expectation in the scene. create a suspenseful atmosphere. move the camera forward towards the character. frame the character's entire body. Make the tentacles in the background move as if they were swaying in the wind. make the planet in the sky rotate and move slowly. make the comets and stars move. make the spirals in the sky spin in a spin. create natural night light in yellow and purple tones, use filters if possible. create realism, create a cinematic simulation with ultra realism. high quality.