[Kuromahou Kenkyuujo (Nukaji)] Bungeibu no Asaren | Literary club's morning training [English] [DrunkenWeeb] [Digital]
[黒魔法研究所 (ぬかじ)] 文芸部の朝練 [英訳] [DL版]
18 pages
Uploaded
Lolisniffer
It's not NTR if neither of them have feelings towards the other one. Even if they weren't dating, it's still NTR if the victim have feelings towards the other.
Iexpectedbetter
Look at the afterword. Now hopefully people can shut up with their "its not ntr because they werent together" bullshit. Even the authors disagree with that.