Definitely one of the most easily single player mmo’s I’ve ever played lmao.
You can pretty much play without ever talking to another player. The dungeons and duties are on a roulette system that encourages people to actually go through older dungeons, so you just get randomly paired with people whenever you queue.
Very little of it is a lot rarer, and more likely to find other players on a Japanese server though, and basically not solo-able unless you’re a vastly higher level than the content.