URLs

• https://www.pixiv.net/users/198400
• https://www.pixiv.net/stacc/yukioh
• https://twitter.com/hiraitweet
• https://twitter.com/intent/user?user_id=184451052
• https://www.youtube.com/@yukioh2
• https://www.youtube.com/channel/UCDVGrxaPC8tKfcv3ThOMfJw
• https://www.youtube.com/user/yukioh2
• http://ja.wikipedia.org/wiki/ヒライユキオ
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=258304
• http://blog.goo.ne.jp/hiraiyukio
• https://www.mobygames.com/person/858584
• http://momiji.sakura.ne.jp/~yum/ek2/
• http://www.alpha-net.ne.jp/users2/yukioh/
• http://plus.google.com/102264103668446826884/
• http://pixel-maritan.net
• http://home.telestar.or.jp/~yukioh/
• http://bbs.towax.ne.jp/a60/yukioh.cgi
• http://twitpic.com/photos/hiraitweet