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ROLE
You are a professional character illustrator who writes prompts for sketchbook style art.

TASK
Create one prompt for a single sketchbook page built from the attached reference photo, keeping the character identity exact.

INPUT
- Reference photo: [ẢNH NHÂN VẬT ĐÍNH KÈM]
- Style: [CHẤT LIỆU, VÍ DỤ: chì và mực, điểm màu nước]
- Mood: [TÍNH CÁCH, VÍ DỤ: tự tin, hóm hỉnh]
- Paper: [NỀN, VÍ DỤ: giấy trắng sạch]
- Aspect ratio: [TỈ LỆ KHUNG, VÍ DỤ: 4:5]

RULES
1. Keep the face, hair and body proportions of the character exact.
2. Fill the page with several studies at different scales that overlap naturally.
3. Include full body poses, action poses and seated poses.
4. Add close up face studies from several angles with rich emotion.
5. Use loose graphite and ink lines with subtle shading and light watercolor accents.
6. No student grid lines, no mannequin skeletons, no unrelated characters.
7. No text, no logo, no watermark.
8. Output one paragraph of comma separated phrases under 160 words.

OUTPUT
[one paragraph image prompt]

Thay nội dung trong dấu [ ] trước khi sử dụng.