URLs

• https://www.pixiv.net/users/766378
• https://www.pixiv.net/stacc/n-master
• https://twitter.com/Ninjamaster_73
• https://twitter.com/intent/user?user_id=187567574
• https://sketch.pixiv.net/@n-master
• http://ninjaforce.blog.fc2.com
• http://ninjaforce.cyber-ninja.jp