Moonlit Koto Player

Create a vertical anime-style album-cover illustration of a solitary young man playing a traditional Japanese koto at night inside an old tatami room. The character is {argument name="character name" default="an unnamed melancholic young koto player"}, with {argument name="hair color" default="long pale silver hair"} falling in loose layers and one thick braid over his shoulder, downcast eyes, a calm sorrowful expression, and delicate hands poised on the strings. Dress him in a flowing, layered {argument name="robe style" default="light patterned kimono over a dark inner robe"}, with wide sleeves draping across the instrument. The room is a weathered traditional Japanese study with shoji screens, dark wooden beams, shelves of old books and stacked papers on the left, a small glowing lantern, worn drawers, tatami mats, scattered manuscripts, and ink-wash textures. Place exactly one large koto across the foreground, angled from lower left to lower right, with many taut parallel strings and visible movable bridges. Open the shoji toward a moonlit garden on the right; show exactly one bright full moon outside, drooping willow branches hanging from the top, dense shrubs and flowers beyond a low wooden veranda railing. Use a muted sepia monochrome palette with warm lantern light and cool moonlight, dramatic chiaroscuro, fine pen-and-ink linework, intricate hatching, highly detailed manga illustration, cinematic composition, quiet poetic atmosphere, antique Japanese aesthetic, no modern objects, no text, no watermark.