This image was adapted from a picture posted to publicdomainq.net. All of the images on these sites are in the public domain i.e. CC0. This site is only in Japanese but can be easily navigated with Google Translate.
遛狗的女人
animal、Comic characters、dog、female、girl、leash、publicdomainq.net、woman、work
動物、漫畫人物、狗、女、女孩、皮帶、public domain Q.net、女人、工作
資料來源：openclipart ( https://openclipart.org/ )