URLs

• https://www.pixiv.net/users/53842
• https://www.pixiv.net/stacc/kazuteru
• https://twitter.com/kagayama_hajime
• https://twitter.com/intent/user?user_id=2842991024
• https://seiga.nicovideo.jp/user/illust/1178819
• https://www.nicovideo.jp/user/1178819
• https://sketch.pixiv.net/@kazuteru