URLs

• https://www.pixiv.net/users/310913
• https://www.pixiv.net/stacc/u_kasane
• https://twitter.com/u_kasane
• https://twitter.com/intent/user?user_id=399947565
• https://seiga.nicovideo.jp/user/illust/5663896
• https://www.nicovideo.jp/user/5663896
• https://www.tinami.com/creator/profile/10911
• http://piapro.jp/u_kasane
• http://www.stickam.jp/profile/u_kasane
• http://www.geocities.jp/kasane1934/