URLs

• https://www.pixiv.net/users/2856718
• https://www.pixiv.net/stacc/ft_yuta
• https://sketch.pixiv.net/@ft_yuta
• https://www.tinami.com/creator/profile/35162
• http://www.fast-d.com/search/engineers/3890
• http://www.logodesigners.jp/browse/indiv/cre_19399
• http://t-walker.jp/eb/illust/ils_info.cgi?ilsid=02920