URLs

• 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://shop.comiczin.jp/products/list.php?category_id=2395
• http://p.twipple.jp/user/tsurugishidumi