URLs

• https://www.pixiv.net/users/430746
• https://www.pixiv.net/stacc/maekawa-kuro
• https://twitter.com/YuichiMaekawa
• https://twitter.com/intent/user?user_id=1358646865
• https://sketch.pixiv.net/@maekawa-kuro
• http://abox3.so-net.ne.jp
• http://www014.upp.so-net.ne.jp/kuroichigo/