URLs

• https://www.pixiv.net/users/872429
• https://www.pixiv.net/stacc/yasuitokazu
• https://twitter.com/ito_yasu3401
• https://twitter.com/intent/user?user_id=166575278
• https://www.deviantart.com/itoyasu3401
• https://sketch.pixiv.net/@yasuitokazu
• https://itoyasu3401.tumblr.com
• http://ito-yasu.hatenablog.com