User blog comment:MyProjectAlicization/Best Anime of the Fall/Autumn 2013 Season/@comment-26391060-20131027182736/@comment-1173941-20131028002037

NTR (or Netorare) is basically a sort of "Cheating" genre, (referring to the woman being the cheater), though I've also seen it extend to instances where the "cheater" is coerced, or blackmailed into the affair.