2024, A VRMMO game released in Japan, with the title of "Sword Art Online". This game became a death game right after the game fully released, and over 10 thousand players trapped in the game, and if they die in game, they would die in real life! 2 thousands of them died in the games quests, or died by other players!

They are now free by only one young beta player named "Kazuto Kirigaya" who calls himself "Kirito" by defeating the creator of the game after 2 years! Kirito was an unknown player and everyone mucked him for being a beta player, but he didn't care! Kirito saved his friends and lovers from the game and it's evil playeys who are in a clan called "Laughing Coffin"

After a year, Kirito went into another VR world called "Underworld" for finding an AI Female named "A.L.I.C.E" for the "Alicization" project! But unfortunately during the adventure, Kirito suffered for too many sacrifices, pain of his best friend and the terrorist attack outside of the world, damaging his brain! Luckily his friend went in the world, fought until Kirito got cured, and saved the whole Underworld and killed those terrorists in the world and their deaths also affected in real world!

Kirito and his lover Asuna Yuuki logged out after 200 years which means 30 minutes in real world! The project Alicization members memory must be deleted, but for Kirito... it didn't! Kirito is now still suffering from the memories in his mind, and Alice is now living in real world like a normal human!

The year after, Kirito is now working as SAOs gaming developer and Asuna tries to become a trader... But from here, we will jump into their lives to see what will happen in this story, so stay here and enjoy the adventure~

SWORD ART ONLINE: BlackOut