The story takes place in the year 2020, in The World R:X (Revision:X), the newer and improved version of The World R:2. In this MMORPG, we meet three characters, Sakuya, Mary and Tobias who form a party and embark a dangerous quest in the high difficulty level quests and seek new adventures. The three of them use similar Player Characters as Kite, BlackRose and Balmung.