https://www.pixiv.net/users/846203
https://www.pixiv.net/stacc/yuugen-no-tei
https://twitter.com/k_ru_
https://twitter.com/intent/user?user_id=91035269
https://seiga.nicovideo.jp/user/illust/12420767
https://www.nicovideo.jp/user/12420767
https://sketch.pixiv.net/@yuugen-no-tei
https://twitter.com/yuugen_no_tei
http://twitpic.com/photos/k_ru_
http://yfrog.com/user/k_ru_/photos
