A close up of a person holding a tennis racket near a fence

best quality, masterpiece, highres, solo, {totsuka_saika_yahariorenoseishunlovecomewamachigatteiru:1.15}, grey_hair, short_hair, male_focus, blue_eyes, blush, smile

{worst quality, low quality:1.40}, {zombie, sketch, interlocked fingers, comic:1.10}, {full body:1.10}, 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, white border, {english text, chinese text:1.05}