`RANK_DEFAULT` raised the question why ZUN just didn't directly assign
the apparent default of `RANK_NORMAL`. Turns out that this is what
triggers the first-launch setup menu.
Part of P0262, funded by [Anonymous] and Blue Bolt.
AKA a reaction commit to the unfounded theory from Asprey's "Unused
Content in Touhou Project" video. (Seriously though, it does help with
the code for these games.)
Part of P0197, funded by Yanga and Ember2528.