https://www.pixiv.net/users/162243
https://www.pixiv.net/stacc/aszu
https://twitter.com/JT_roots
https://twitter.com/intent/user?user_id=97189322
http://soituhasugeeya.blog.fc2.com
https://www.amazon.co.jp/stores/ルーツ/author/B08KH1TWPZ
https://portal.circle.ms/Circle/Index/10221757