1girl, yuuka \(blue archive\), blue archive, medium hair, twintails, blue hair, blue eyes, white shirt, collared shirt, suit jacket, large breasts, necktie, halo, seductive smile, white background, simple background, anime coloring, portrait, masterpiece, best quality,

lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, artist name,