Illustrator.
Japanese name: 作々, さくさく
Site name: アルエス (Aruesu)
https://www.pixiv.net/users/3030
https://www.pixiv.net/stacc/radbetty
https://twitter.com/3939
https://twitter.com/intent/user?user_id=16099567
https://seiga.nicovideo.jp/user/illust/1256097
https://www.nicovideo.jp/user/1256097
https://pawoo.net/@radbetty
https://pawoo.net/web/accounts/117125
https://sketch.pixiv.net/@radbetty
https://www.tinami.com/creator/profile/19485