Male Templar has the most unique scenes for males(and I think overall), and I think female farmer has the most unique scenes for females. If you're playing as a female Templar or noble, the noble has two extra scenes over the Templar. It's up to you to pick. You can also download Redknight's gallery mod at some point, just backup your saves first, and look through all the scenes if you missed any.
I don't remember all the change logs from 3.8 forward; so I'll try and summarize the following saves. Here's a
folder with a male soldier play through. It has one save before the end of Act 1(Save 5), and one save before the end of Act 2(Save 7). Should have most of sidequests/companion quests done before Act 1 in each. You should have enough gold, items, levels, etc... To buy the new castle upgrades/furnishings. The player dual wields Aetherius and the Eraser, so it's designed for high damage dealing. I generally have high morality, and low corruption/high affection for all companions. So feel free to save edit if need be. The saves were based on the 4.7v, so most of the 4.8v content shouldn't have triggered except for some throne room/advisor scenes.
I did have a bug in Save 7 where the paladin quest never updated properly so you can't be a paladin. But I did the inquisitor quest so you can still access the Vesunna DLC. Most of the extra side quests/castle content in Act 2 I didn't do so hang out around the castle and explore.(I gave a similar set of saves to another user, so these saves are somewhat setup for people to experience more content in Act 2). I also didn't do the new male soldier quest line where you assemble an avengers team; so you can experience that. Oh and I didn't do the Xyless quest either at that point so feel free to get her, and have her however you want. I was in the middle of the Kara questline, added in 4.7v, in the slot 7 save, she's currently in the Xas library. I don't remember if I started her quest or not in the previous slot 5 save. I already did the Rilke content/quest. So hopefully those scenes show up in the gallery and you can view them. And the new Abyss dungeon hasn't been completed yet so have fun with that.
And here is female farmer save
folder. It's based in 4.8v so some more of the 4.8v content has already been done. But it was a play through I never ended up completing so the saves range from approximately 4-8hrs of playtime. From middle Act 1 to end of Act 2. I don't entirely remember everything I've done so far. I know I have an enslaved Xyless in the later saves. Also, I haven't completed the unique Farmer origin sex-scenes with the PC's mom. These saves were mainly used for testing player pregnancy checks/variables, and bug testing. (There was a weird pregnancy potion bug with the elven princess in Xas, the Ursula rape scene not progressing, some of Tish's quests not updating, and companions' models disappearing in Summeredge pub). Which is why I never got around to completing everything.
If you have any other questions/need help, with the game/content, feel free to ask. I'll try my best to help out.
P.S. I don't have a save editor that can change PC's names, but there should be some Japanese editors online that can. If you don't like my names for the PCs.