Artist.
Japanese name: はるのつくし (Harunotsukushi)
Circle name: White Spring
https://www.pixiv.net/users/541075
https://www.pixiv.net/stacc/harunotsukushi
https://twitter.com/harutsuku
https://twitter.com/intent/user?user_id=113198615
https://white-spring.booth.pm
https://harutsuku.fanbox.cc
https://skeb.jp/@harutsuku
https://www.tinami.com/creator/profile/2667
https://ec.toranoana.jp/tora_r/ec/cot/circle/2UPAFC6P8476d46Pd687/all/
https://www.stickam.jp/profile/harutsuku
http://twitpic.com/photos/harutsuku