Most their own story lines aren't connected to the general storyline of the game, are usually closely to do with their room.
Amazingly, it appears that many are working prior to the 7:30 a.m. sales meeting, or talking all-around late nighter they pulled working on the proposal. https://top10bookmark.com/story18034564/diyarbak%C4%B1r-escort-elden-%C3%B6deme