แผ่นภาพร่างสตอรี่บอร์ดลายเส้นขาวดำ

A clean monochrome 2D storyboard line-sketch sheet for [rooftop hand seals]. Features multiple sequential panels rendered in crisp black-and-white line art with a crisp header banner at the top. Professional animation production layout, minimalist linework, clear framing, no text labels.