URLs

• https://www.pixiv.net/users/1055910
• https://www.pixiv.net/stacc/ahs-seven-love
• https://seiga.nicovideo.jp/user/illust/13274438
• https://dic.nicovideo.jp/id/4189041
• https://dic.nicovideo.jp/u/13274438
• https://www.nicovideo.jp/user/13274438
• https://mixi.jp/show_profile.pl?id=23385658
• https://twitter.com/yukitachika
• https://com.nicovideo.jp/community/co1386570
• http://twitpic.com/photos/yukitachika