Clothes are sometimes required because we only created images for those clothes. There are too many events and too many clothes to create everything so we usually only create clothes images variations for daily repeatable orders in the girl sex menu.
There is also the bus which allows you to move quickly from district to districts for a cheap price, you can see bus stop location on the city map then go there and click the bus icon and you can also use the taxi when you are in a street to go directly to any other streets in the game, like teleportation but it's more expensive, and can be used directly on the city map. You can also teleport without cheating with the teleportation spell in the end game, a new icon appears to use the teleport spell in the city map once purchased. Don't forget you can also toggle run mode while walking to reduce the travel time if you're in a hurry.
Without cheats, you can still teleport like this once you have bought the teleportation spell from Lily.
Icons placement is sometimes not optimal indeed. There was a text mode before which listed the pathes instead of displaying icons. I'll see if I can put it back again.
For bathroom, girls usually check if they are dirty between 20 to 23 I think (you can check their data/characters/xxx.xml to see the exact time range) and will check their dirtiness value. If it's too high and they are at home and a bathroom is free, then they'll try to go there.
As for your trouble of having girls in specific location, the easiest solution is simply to ask the girl to follow you and go to the location you want. The event will also trigger this way. Much faster than waiting for the AI to decide to go where you want ahha
