https://www.pixiv.net/users/260664
https://www.pixiv.net/stacc/sofusofu
https://twitter.com/sofu_senri
https://twitter.com/intent/user?user_id=135503386
https://seiga.nicovideo.jp/user/illust/669709
https://dic.nicovideo.jp/u/669709
https://www.nicovideo.jp/user/669709
https://sketch.pixiv.net/@sofusofu
http://senrino1.blog.fc2.com
https://portal.circle.ms/Circle/Index/10099830
https://com.nicovideo.jp/community/co470210
http://p.twipple.jp/user/sofu_senri
http://twitpic.com/photos/sofu_senri
