Yang Hee-eun, National Tour Concert 'Unexpected gift' sold out in Seoul ... Kim Young-cheol, Gugudan and others support her....

http://jmagazine.joins.com/forbes/view/322731

https://science.ytn.co.kr/program/view.php?mcd=0082&key=201807031202186435

http://www.mydaily.co.kr/new_yk/html/read.php?newsid=201804232013819388&ext=na

https://tv.naver.com/v/2700916

https://www.yna.co.kr/view/AKR20180207031200005?input=1195m

http://kid.chosun.com/site/data/html_dir/2018/01/15/2018011502093.html