Before Era Orbit Online was a famous online game, every players are given named Alpha before display name. Example : Alpha Hashi, Alpha Rales. Alpha playes also trapped in Era Orbit Online but more terrifying world. In every map, monsters like Demon, Succubus, Skeletons and Hybird species comes to attack every human. Eventually, players population from 50 000 decreased into 15 000. But one day, there are 10 players who manage to reach level 95 and conquer a deepest Dungeon. They called themselves, " Haul Alpha " . Haul Alpha planning to defeat the Master of the game, but they failed due to many of their teammates died during ' Last Hope War '. The Leader itself, sacrificing himself. He decided to fight the Master and died. Is there anyone who can defeat the Master?