URLs

• https://www.pixiv.net/users/749820
• https://www.pixiv.net/stacc/newadventure
• https://twitter.com/isaishizuka
• https://twitter.com/intent/user?user_id=78345274
• https://sketch.pixiv.net/@newadventure
• http://mixi.jp/show_profile.pl?id=18964203
• https://www.youtube.com/user/isaishizuka
• https://ameblo.jp/large-wonderful-world
• http://drawtwit.com/isaishizuka/
• http://www.future-orbit.com
• http://twitvideo.jp/contents/lists/isaishizuka