Prompt (EN):

A cartoon-style illustration of a brown horse with a mischievous expression, standing on its hind legs with its front paws in the air. Its mane is long and flowing, and its eyes are wide open, as if it is laughing. Its mouth is slightly open, revealing sharp, yellow teeth. The background is plain white, and there is a small amount of dirt around the horse's hooves. The horse has a playful and energetic feel to it.