.hack//Legend of the Twilight Volume 1 (v. 1)

Old-fashioned role-playing games experience a renaissance on the World Wide Web. Twins Rena and Shugo are two middle school students who enter "The World" as level one game characters. When Shugo's character dies he is transported to another level where he is entrusted to bear the Twilight Bracelet by the mysterious Aura. Shugo must find out who Aura is and why she gave him this powerful weapon to protect his sister from the peculiar characters in "The World."