“K”是使用 FontVibe AI 创作的日本水墨毛笔文字效果。把日本书道的水墨毛笔笔法用到拉丁字母上。浓黑的墨汁配上地道的毛笔笔势、单向可控的运笔，还有和纸的质感。做日料店品牌、纹身设计、动漫、武道和文化类项目都特别合适。

Render a single isolated capital letter "K" only, on a fully transparent background (alpha channel), no paper, no color field, no frame, no shadow, no extra symbols, no additional text. Create the "K" as a definitive Western capital letter executed by a master of Japanese shodo: upright harmonious construction, a bold vertical stem with a dense loaded-brush entry, two diagonals joined with deliberate pressure control, 5:1 thick-to-thin stroke contrast. The sumi pigment is fully matte, near-black at each stroke core and transitions through charcoal gray toward the exits. Show precise brush compression at the start of each stroke, barely visible dry-brush fiber at only the outermost edges, controlled harai tapers ending in hairline points, and one restrained upward hane hook terminal. Every stroke is singular, decisive and cleanly separated; preserve generous transparent negative space within and around the K. Crisp high-resolution cutout asset, centered, no background artifacts, no decorative splatter, no glow, no 3D effect.