These are the exhibitionism games without ntr or you have to do a lot to open ntr content:
If you can moon runes (or hook the texthooker)
Check everything 4-H has, specially Roshutsu-Kei
Mahou Joshi Daisei Christhea, has free roam and a ton of clothes.
cool sister's yain no ayame are also in your alley.
Translated moon runes:
Violated heroine actually has different dialogue on most npcs for when you are not dressed in a way that covers a lot. Just like FoM, you can get a boyfriend to be ntr'ed.
Everything from aburamisoba but his games focus too much on you are going to avoid the weird content. Check Princess Lucia Script.
Milk way's Knight ulrica
Also check Baroqupid's kiraraito and vibration (these have partials)
You can avoid most ntr content in most games, even if they have ntr tag.
Depending on how you play Lilitales (virgin perfect run has no ntr).
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has ntr but exh scenes are too good to avoid.
Most of the good exhibitionism events I can remember constraint how much you can move around and have clothes with you. That actually goes against free roam.
Naked plus and naked quest did that very good Specially true with FoM. Tales of Rodnika
You might want to search for Dantor's Little Witch Emily. Not on f95 but on patreon.It has more enf than exhibitionism but the events work very well.