Firstly, i apologize for my bad english here.
Generally, house or building in RPG Maker games just have one doorway/entrance if you want go to inside it. I think thats weird if ALL houses and buildings just have one side doorway.
My idea is to make another doorway from the other side of the house/building.
Here is my example:

I made 2 more transfer player event with 'footstep' image (green circle). If we want to go inside, just step on the 'footstep' event, playing 'open door' sound effect and transfer player normally. So, we can enter the houses/buildings in 3 different way for now.
The problem is how we can make doorway from behind of the building?
Here is my opinion:
1. Do the same way to the other 2 doorway: place the transfer player event with 'footstep' or other image next to top of the roof (for example in red circle area). It works but a little weird, i think.
2. Make the roof transparent if player go behind the building so the wall with the door behind the house/building visible. Requires complex eventing to make it happen.
3. Dont make the door behind the house/building. We dont need it.
Any other opinion?