URLs

• https://www.pixiv.net/users/11992326
• https://www.pixiv.net/stacc/naohiro00
• https://twitter.com/naohiro0887
• https://twitter.com/intent/user?user_id=4793682738
• https://sketch.pixiv.net/@naohiro00
• http://yuukinaohiro.sakura.ne.jp/illustration/