Make a 25 years old white muscular blond guy with a naughty smirk on his face

make a 25 years old white muscular blond guy with a naughty smirk on his face. he has a square shaped face and a thick neck. his hair is mid-length wavy. he's shirtless and his body is sweaty. he is flexing his right arm showing off his bicep. full-body image. on the back, there's the fence of a bridge and a long blue-ish river. the day is cloudy.