There is no update yet. I was able to access the game once I plugged the hard drive into the proper system.
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Also, I may have found the key to getting the protagonist mods to stick. I searched for values that matched what my character's were and found a second set of addresses containing an exact duplicate of the info in the ones previously found. They match my character's height and breast measurements exactly, and are close enough I'm pretty sure that this isn't a mere coincidence. I poked them with the values I wanted, along with the addresses Miz Joker discovered and they've all stayed constant at what I poked them to be. Before, when I poked just Miz Joker's addresses, they eventually got reset even while playing the game, and especially when saving or quitting. Now, they seem to be staying constant. I'm going to close the game and load it back up, and see what happens. Wish me luck!
These are the addresses:
Secondary Addresses?
1C38E630 3F73E426
1C38E634 3F8020C4
1C38E638 3F8020C4
1C38E63C 3F8020C4
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Success! I closed the game and reopened it, and when I reconnected, the values in all eight slots were exactly the same as when I left!

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So from now on, try poking pairs of addresses for the protagonist. For example, the first one from Miz Joker's list + the first one from mine, etc. Of course, if those are pointers, then just recreate the process I used by searching for the default float value of "3F8020C4" (1.001) as that's what all the protagonist's breast values are by default in the Western releases. Height is the first value in my list, followed by breast depth, height, and width.