You followed the girl in through the rooms and were introduced to other girls by this half-clothed chick. (She introduced herself as Christine to you)

It took some time before she finished introducing you to the girls in "Upsilon Delta Tau", even though you were getting bored by the lame introductions (aka, this is Mary, 24 years olds comes from..., hobbies are music...; Ann, 21 years,...,hobbies: animes, art....;...and so on).
At least there were only 12 people in the quarters by now, so it didn't take very long.

As the tour ends she shows you your room and says bye.
What now?