Seeking Harem game recommendations (with a quirk)

[mannice431]

I'm looking for harem games in the vein of Ecchi Sensei, where the girls (mostly) DON'T know they're part of a harem.

I don't know if there's anything of the sort here aside from that but any suggestions are welcome.

 

[droganpc]

What do you mean by "the girls (mostly) DON'T know they're part of a harem"
Take a look at my

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Maybe you mean: the girls don't know about the relationship between MC and other girls ?
In that case: Sister Travel and Gran Ende II ?