Sexy Beach Premium Resort: Custom Characters
all characters are at least 18
Adding Custom Characters From Maker Trial
Copy PNG files from "..\UserData\chara\female" in your maker trial directory to "..\UserData\chara\female" in the SexyBeachPR directory.
Once you load the game select the "Custom > Female" menu option, from there load each of your characters using the "Load All" to check them, then overwrite save them again. This recommended because some values may change in the transition.