Create a fantasy-style illustration of a young boy named Léo

Create a fantasy-style illustration of a young boy named Léo, who has short brown hair and is wearing a yellow shirt with blue shorts. Léo is standing in a vibrant garden, smiling and looking at a small mouse named Remy. Remy, the mouse, is wearing a small, round blue hat with a brim. The garden is filled with colorful flowers, tall grass, and an air of mystery.