A Journey to Another World Starting from a Sword

Dante, the newly minted god of Aincrad, begins his journey to the next world. Three options lie before him:

become a knight of Britain,

an assassin of the Middle East,

or a warrior of ancient Greece.

Of course, it all began one night after a meteorite struck.

Worlds to be traveled to: Sword Art Online, Fate, Chikō, High School...