That's way too specific my man XD you do realise that this genre is super rare, like if you filtered the "reverse ntr" tag on dl site including the upcoming games all you got is 48 games and some of them are just patches. In comparison if you do the same for the "ntr" tag you get more than 3500 games.
The difference is ridiculous it's not even funny
There's this game that kinda matches this description, unfortunately it's an AI generated game:
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It's a reverse NTR game for where 2 chocolate milk gyaru seduce the protagonist, the game does not end even if you succumb to the temptation, it will simply give you some sort of crest to serve as a reminder for your betrayal to your childhood sweetheart.
There's also an upcoming game called "Bellwether of the twinstar" in development where the protagonist starts as a pure hearted and kind person who admires the 2 Heroines in the story and might end up dating one of them, however there's 3 villainous Heroines who want seduce him, each has a different reason:
Ako
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Cheeky brat succubus who wants to capture the Heroines and seduce the protagonist to cooperate with her by revealing information about the Heroines.
Rio
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Fearsome assassin who encountered the protagonist's team, she was about to finish off the Heroines but some sort glow emerged from the protagonist (details were too unclear) in the end the Heroines managed to fend off Rio, frustrated for her loss, she began to pursue the protagonist looking for answers.
Liliy
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The boss of the backstreets she shows a great interest in the protagonist the moment she lay her eyes on him, it's unclear what her true motivations are, but she plans to make him for in love with her.
Now this might be a downside for you but there's an ntr elements in the game as the 2 Heroines are also being hunted by another guy, but it's completely preventable and you can play the game from start to finish without having to deal with it.
