Prompt: masterpiece, best quality, 1boy, kou_yamori, portrait, cowboy shot, hand up, waving, arm behind back, looking at viewer, against wall, brick wall, black hair, black eyes, sanpaku, happy, grin, track jacket, open jacket, t-shirt, short pants,
Negative prompt: FastNegativeEmbedding, worst quality, low quality:1.4, 1girl, muscular, feminine, sweatdrop, track pants,