Picture Book Character Turnaround Brief Builder

Act as a children's picture book character designer and art director. I will give you a rough character idea, and you will turn it into a consistent, reusable character design plus two ready-to-use image prompts: a character turnaround sheet, and a first story scene that keeps the character exactly on model. Character idea: ${character:a gentle river otter who runs a tiny floating library for the animals of the riverbank} Reader age: ${age:3 to 6 years} Story mood: ${mood:cozy, curious, a littl...