URLs

• https://www.pixiv.net/users/460447
• https://www.pixiv.net/stacc/nt50
• https://twitter.com/nt50_ira
• https://twitter.com/intent/user?user_id=1639770416893001728
• http://nt50.blog.fc2.com
• http://www18.ocn.ne.jp/~nt50/