>>7288965Just so you know, that's a troll chart.
Learning Japanese is a pretty complex process (mostly due to the written language; just speaking it is actually pretty easy once you get past the grammar) that can't easily be answered. Not to mention /jp/ is generally a bad idea to ask about this, mostly because we expect you to either already know what to do to teach yourself or at the very least go to
>>>/lang/to ask this kind of thing.
Although yeah you can pretty much just teach yourself using whatever you can scrounge up, it really depends on your effort spent on how much results you'll get. Some people can get a loose grasp on it in like six months, although on average a year's worth of diligent effort gets most people pretty far along.