.hack//Legend of the Twilight

Winning the legendary characters "Kite" and "Black Rose" from an event held by the creators of the MMORPG "The World," Shugo and his twin sister Rena steps into "The World." Together they completed events and quests, along with their new friends Ouka, Mirelle, Hotaru, and Sanjuro. Soon after, mysterious monsters appeared, and death by these monsters caused players to slip into a coma in the real world. (myanimelist.net)