URLs

• https://www.pixiv.net/users/98263
• https://www.pixiv.net/stacc/tetsu420
• https://twitter.com/ursk420
• https://twitter.com/intent/user?user_id=137626047
• https://seiga.nicovideo.jp/user/illust/3952266
• https://dic.nicovideo.jp/u/3952266
• https://www.nicovideo.jp/user/3952266
• https://sketch.pixiv.net/@tetsu420
• https://www.instagram.com/ursk420/
• https://www.mangaupdates.com/author/ra380tv
• https://www.mangaupdates.com/authors.html?id=59383198003
• https://bsky.app/profile/ursk420.bsky.social
• https://bsky.app/profile/did:plc:pr3ay6i5kjlz36762fcxnpga
• https://myanimelist.net/people/44773
• https://twitter.com/gnsk_uraki420
• https://com.nicovideo.jp/community/co1480662
• http://tr0mb000rn.jugem.jp
• http://theinterviews.jp/gnsk_uraki420
• http://p.twipple.jp/user/ursk420
• http://twitpic.com/photos/ursk420
• http://yfrog.com/user/ursk420/photos