In the first scene, you must find all the condoms on the map and use them to purchase the scene at their shop. In the first scene, you must find all the condoms on the map and use them to purchase the scene at their shop.
In the second, you need to find a special ticket to put in the machine and unlock the scene (hint: the ticket is on the ground near where you need to put it).
And lastly, you must purchase a specific item to unlock the scene. I don't remember the item's name right now, but perhaps you'll understand what it is (hint: go to one of the yellow dots on the map, that's where the shops are).