a portrait of Mathieu Demy a man <lora:Taylor-Zakhar-Perez_Mathieu-Demy:0.9>,  standing posing close to the camera, wearing a vneck tank top light-grey (shirt with sweat:1.3), shorts, smiling, sitting on the floor in a river, dynamic pose, his arms are behind his head, large (s3t on armpit:1.2), extreme low-cut dropped side holes, natural lighting, 4k uhd, dslr, high quality, Fujifilm XT3, <lora:StringerSDXL_v2-B1-R:1.25:stop=25> <lora:sweaty_shirt_v5-28-B1-Rescale:1.15:start=10>