https://www.pixiv.net/users/1009295
https://www.pixiv.net/stacc/sidumitsurugi
https://twitter.com/tsurugishidumi
https://twitter.com/intent/user?user_id=312103899
https://sketch.pixiv.net/@sidumitsurugi
https://www.amazon.co.jp/s/ref=dp_byline_sr_book_1?ie=UTF8&text=しづみ+つるぎ&search-alias=books-jp&field-author=しづみ+つるぎ&sort=relevancerank
https://www.melonbooks.co.jp/circle/index.php?circle_id=10914
https://www7a.biglobe.ne.jp/~daisan/
http://p.twipple.jp/user/tsurugishidumi
