It was the best way to end the Robert storyline and a lot of people requested NTR and this is how I integrated it. There won't be any more NTR scenes.
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Is selling out means listening to a minority which also supports and pays you I'm fine with it. Also, a lot of the people who do not like NTR didn't complain because the scene was optional/skippable and because they liked the story and the game, they didn't throw the game into trash only because of 1 scene from 1000.