Interesting, it seemed even in the OG game this route was a thing. Although I can’t blame the MC for fucking up even when he knew about it, since clicking buttons doesn’t translate well into charisma lol
Things I noticed that might have affected the affection points: three-character event, pushing her towards talking together instead of going on a proper date, “are you sure?”, “go take a shower”, immediately bringing up the topic about her motivations, and mentioning the resistance.
Although he might’ve clutched with the “it’s better than just letting you die”