Anime girl playing piano in a dark room with windows, perfect Gray-haired girl, Gray-haired girl, Detailed Key Anime Art, pianist, Nightcore, Gray-haired, from Girls' Frontline, Girls' Frontline style, high detailed Official artwork, Official artwork, Fine details. Girls' Frontline, Gray-haired, Gray-haired lady, Gweiz style artwork

(bad-image-v2-39000, bad_prompt_version2, bad-hands-5, EasyNegative, NG_DeepNegative_V1_4T, bad-artist-anime:0.7),(worst quality, low quality:1.3), (depth of field, blurry:1.2), (greyscale, monochrome:1.1), nose, cropped, lowres, text, jpeg artifacts, signature, watermark, username, blurry, artist name, trademark, watermark, title, (tan, muscular, loli, petite, child, infant, toddlers, chibi, sd character:1.1), multiple view, Reference sheet, long neck