Naotsugu is Shiroe's friend and another player trapped in Elder Tale. He is a Human Guardian-Border Patrol and an important part of Shiroe's team along with Akatsuki. In the real world, his name is Naotsugu Hasegawa (葉瀬川直継), and he is 25 years old. He was a member of the Abyssal Shaft Raid Party and of the Shibuya Raid Team.