URLs

• https://twitter.com/sinjiro4649
• https://twitter.com/intent/user?user_id=72475850
• https://www.mangaupdates.com/author/2ezvrsh
• https://www.mangaupdates.com/authors.html?id=5260360049
• https://anidb.net/creator/45279
• https://www.mobygames.com/person/1204153
• https://myanimelist.net/people/5369
• http://sinjiro.blog.fc2.com