Bro if this is an MMO of any capacity, it should have some kinda guild system. Guilds and guild events/competitions kinda keep games afloat for longer periods of time. I also believe integrating an official guild system can remove the annoyance of the inevitable "clans" that people will be making.
Also the name doesn't have to be "guilds", it can be anything that sounds fitting
Clans
Crews
Groups
Nations
Families
Brotherhoods
Syndicates
Houses
Leagues
I'm excluding teams/parties because I feel like that's a smaller system that requires much less commitment. Also dsrpg2 had parties/teams, so I am just assuming it'll work about the same with Hinokami

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