heartstopper, Charlie Spring, black hair, black eyes, webcomic, simple background, pastel colors, muted colors, full body, sitting on floor, wrapped in blanket, holding mug, tea, open textbook, studying, cozy, smiling. Charlie Spring with curly black hair sits on his bedroom floor wrapped snugly in a warm blanket, sipping tea while studying from a textbook, drawn in a simple webcomic style with a muted pastel color palette.