A solid graphic marker with a smooth drawing feel. Affordable and easy-to-handle solid graphic marker that can be used as a drawing material or as a line marker by adopting a coloring material that does not easily bleed through the paper, a square core that makes it easy to paint in small areas, and an economical refill type. Uses a retractable water-based pigment core. Color: red, orange, yellow, green, blue, purple, pale orange, brown, gray, black