A hyper-realistic movie poster featuring an anthropomorphic character with the head of a cat, combined with a humanoid body. The character exudes a cute and playful vibe reminiscent of Marvel's beloved Groot, complete with intricate detailing in fur texture and expressive eyes. The scene is rendered with high detail using Octane rendering to capture every nuance, set against a vibrant and dynamic background that emphasizes the fantastical nature of this character. The poster focuses on the cat character's unique features, avoiding any human facial or bodily elements, bringing forth a whimsical yet realistic interpretation in a 4:5 aspect ratio.