Oversized Black T-Shirt Mockup

oversized back side of black cotton tshirt mockup,hanging on a hanger,red and purple lighting,small plant vase in background --ar 5:7 --stylize 500 Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.