URLs

• https://www.pixiv.net/users/303943
• https://www.pixiv.net/stacc/sakayama
• https://twitter.com/chakayama_toko
• https://twitter.com/sakayama_shinta
• https://twitter.com/intent/user?user_id=231278757
• https://e5lskk5v.fanbox.cc
• https://sketch.pixiv.net/@sakayama
• https://www.tinami.com/creator/profile/9225
• http://takehatago.blog.fc2.com
• http://www.doujinshi.org/browse/author/7131/Sakayama-Shinta/
• http://www.doujinshi.org/browse/author/37855/Chakayama-Tokoroten/
• https://www.mangaupdates.com/authors.html?id=11122
• http://umehatago.syoutikubai.com