This image was adapted from a picture posted to publicdomainq.net. All of the images on this site are in the public domain i.e. CC0. This site is only in Japanese but can be easily navigated with Google Translate. There are *many* cutesy vector graphics images on this site.
女呼叫中心工作人員（＃1）
call、center、centre、Comic characters、computer、desktop、female、girl、headset、lady、monitor、operator、screen、sit、sitting、telephone、woman
呼叫、中央、中央、漫畫人物、電腦、桌面、女、女孩、耳機、淑女、監控、操作者、屏幕、坐、坐在、電話、女人
資料來源：openclipart ( https://openclipart.org/ )