I saw a half joking theory earlier that kanna has an american idiot motif going on with her using heart shaped grenades and her birthday being october 1st (wake me up when september ends)
>>4304670
It could genuinely just be bad happenstance with a lack of promotion, but based on a 2chan thread i saw i suspect nips had a feeling inee was a foreigner from the way her art looked (before she admitted it in that interview) and chose to reject the manga as a way of saying they won't support foreigners because of stupid nationalism