Jossed: Linneus isn't transgender.
Word of God: a LOT has been revealed about the setting via channels other than the actual comic, such as Emirain's DA submissions and the Ask Axis Formspring.
Linneus and Atros' history got explained before the story got to show it: heavily implying if not explicitly stating
The world/country where the story is located has few people of colour. (Also apparent in the work.) It's also not Victorian England, and not Earth.
The end of the Xanthe/Linneus arc will end in a happy way. Whatever that may consist of.
Rhys doesn't force Axis, i.e. what Rhys does is not rape.
Lilith is the only whore in the house Xanthe is known to have bedded.
Claret's hair colour is probably natural.
There is an age limit of 18 in the Teahouse and it's absolute.
Xanthe doesn't like renting his whores out of the house.
Rory has just turned 18.
The Teahouse was once an actual teahouse.
Teahouse courtesans in general...
may visit the courtyard, and leave the house for a while at times.
may bed each other.
get to keep their tips and gifts.
cannot really refuse a customer.
has worked for five houses starting at age 18, and was bought into Teahouse.
had trouble staying in the favour of previous houses, and was kicked out at least once.
was born on 8th August.
has a taste for the "seasoned woman" but otherwise quite universally appreciates the feminine sex. Especially if they're loaded in the rack.
dyes his hair.
has no desire for things other than having a lot of sex and being lazy.
does maids of the house.
loves kittens, an appreciates red and steak as his, respectively, favourite colour and food.