sounds like both of them were using her for their own game, their true feelings came out at the end, of course someone who hates NTR will not even do it to help someone they like.
作者からの返信
And because the protagonist hates NTR, he couldn't abandon the girl who was the victim of NTR. Isn't he so cool?
うわぁ…クズだ、汚物は消毒しなきゃ…
作者からの返信
消毒展開あるよ(笑)
甘々な展開とまとめてお楽しみください(＾︶＾)
初めてまして。花男を思い出しました^_^