might be helpful to say what's in the BF sets (if known) so as to know if you're actually missing anything... I'm pretty sure I had a bunch of these already outside of these sets, but still.
here's bfset contents of what I have, anyway...
bfset1: BFrogue090816, escape (rather certain this is the same thing that is available here:
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), 淫魔コレクター乳魔編りめいく
bfset2: folder act (with BFact, BFact_flame, BFact-move, and BFact-xmas), fp (fuck prison)
bfset3: 11(そしあか)[this one might be incomplete set, seeing as it's only one game?]
bfset4: Tanabata, ひめまつり体験版, 淫足の塔EX1.03
[I don't have a bfset5, so don't know anything about contents]
bfset6: 射精ゲート [again, this one might be incomplete set, seeing as it's only one game?]
bfset7: Girl's Hell, lilimth, matomeのM (last being a collection of scenes from other games, pretty much)
[I don't have a bfset8, so don't know anything about contents]
bfset9: BFangels [once more one where I only have a single game, so probably incomplete]
bfset10: ポケット淫魔緑, 王様と6人の姫君
[no bfset11 here, either]
bfset12: Nightmare Online, The BF Institute, The Succubus Hunter
[nothing for 13+ here, either]
also have some bfsets labeled pbfset, dunno if a different initial source or what, but here's contents of what I have from those as well anyway
pbfset1: BFSaGa, hunter jin, エロ鉄, 最後の村(絵)
pbfset2: CRBF, 退治屋さん
[no pbfset3 here, sorry]
pbfset4: もしもアルラウネが(性的に)凶暴化したら, pazuri act
pbfset5: pair, 淫魔プリンス~Refell~, 何か 8_18_
pbfset6: SexVampire 修正版7・18 [incomplete?]
pbfset7: DungeonSexplorer [incomplete?]
pbfset8: Gura Dungeon, many pair2, pair2
pbfset9: 部活モノ(仮)~県大会編~, 魔術師イヴァ(戦闘+BF)
pbfset10: L2BF, shikijou1&2&3, むにゅう魔
pbfset11: bf 真魔, BFrogueReverse, BFrogue-Xmas Ver0.8, 旅立ち前夜
pbfset12: BFstg, BF無双・主人公追加版
pbfset13: BF無双・主人公追加版 CUSTOM a, BF腕相撲2, ルーフのお仕事
[nothing for 14+ here, assuming that exists]
EDIT: looks like
shadow1029 is uploading this stuff and posted about that while I was putting this list together, lol. Still might be a useful reference list anyway?