URLs

• https://seiga.nicovideo.jp/user/illust/7668021
• https://www.nicovideo.jp/user/7668021
• https://www.tinami.com/creator/profile/43751
• http://berthold10.blog.fc2.com
• http://privatter.net/u/Blau_eyes_Dog
• http://berthold.jp
• http://mecuru.jp/user/profile/berthold
• http://photozou.jp/photo/top/3154574
• http://twpf.jp/Blau_eyes_Dog
• https://www.pixiv.net/users/10220946
• https://www.pixiv.net/stacc/io_berthold
• https://twitter.com/blau_eyes_dog
• https://twitter.com/blau_eyes_dog_u