Naruto/Sword Art Online

A brand new single player virtual reality game comes out called God Slayers

Main character has to be a guy

Can be naruto, yami or oc

Has to be a ninja or a medic

can be in a clan or have brand new Kekkie genkie

Has to have a game levelling up system

Must follow canon but it can have its own twists

Doesn't have to be a harem if it is 4 max

When the chakra of the nine tailed fox hits him it has to corrupt the game and make him physically in the game

Must follow through manga

Can't be yaoi