URLs

• https://www.pixiv.net/users/10967079
• https://www.pixiv.net/stacc/makinosaka
• https://x.com/makinosaka
• https://x.com/i/user/110060023
• https://sketch.pixiv.net/@makinosaka
• http://makinosaka.blog.fc2.com
• http://www.amazon.co.jp/s/?field-author=牧野坂シンイチ&search-alias=books-jp
• http://www.mangaupdates.com/authors.html?id=7701
• http://www.melonbooks.com/index.php?main_page=maker_info&makers_id=MK0000003964
• https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG15551.html
• http://www.dmm.co.jp/dc/book/-/list/=/article=author/id=239413
• http://www.doujinshi.org/browse/author/5502