Really...Moreover... Maybe it's better to say...
(originally それに。。。ちゃんと言うにましたよ?)NervousGrowlHmph...Don't take Nitori seriously.
(originally にとりのことを甘く見るからいけないんですよ)It's actually not a big problem, right?
(originally さほど大きな問題では無いんですよね?)...in any case, "I don't know if Nitori messed up destiny or not", or something like that?
(originally 万が一、にとりが運命をへし折ってしまっても知りませよ、って。)Do I not look like a villain in this situation...?
(originally これではすっかり私が悪者ではないか。。。)Maybe just drop it?
(originally もう、良いじゃないですか)