After the short registration process of simply handing them my card and waiting, I was brought a one-page contract to sign in order to join the guild.
The terms were fairer than I was expecting, I wasn't expected to share any loot, only forfeit a ten percent fee to the guild as an 'intermediary fee'. I also had to be careful to introduce myself on any jobs as a member of the guild and try my utmost to 'uphold the reputation' of the establishment.
I mean, it makes sense why guilds are so stressed about reputation. No one is gonna want to hire a guild without any name behind them, but it kind of turns adventuring and guild work into a bit of a popularity contest.
I'm also betting the strict rule of introducing yourself as a guild member is what lead to Ivy telling me so much, that introduction was just ingrained at that point. How quaint.
With no real thought needed, I sign the contract, and the bottom left of my adventurer identification card begins to glow with a faint light.