URLs

• https://twitter.com/hiro_mashima
• https://twitter.com/intent/user?user_id=591755629
• http://www.mangaupdates.com/authors.html?id=750
• http://en.wikipedia.org/wiki/Hiro_Mashima
• http://ja.wikipedia.org/wiki/真島ヒロ
• http://www.shonenmagazine.com/php/profile.php?sakka_id=25