A not so subtle sense of wrong.

"Why are the 2 MC so weak that they don't fight back"

Because the creator made it so. It's fiction. It's also why she turns into a brainless slut at the end.

Base +12, Absaint +5, animegodswrath +8, sike69 +6, KaiserBuliwyf -7

Goddamn, this was kind of horrific to read... I mean yeah it's fappable, but still!

Base +9, cAntW0 +12, Absaint +5, EdoubleT +8, ZeroKarasX +8, animegodswrath +8, sockmans +6, Aystrum +6, hanime_23 -8, Vivi1993 -9

Why are the 2 MC so weak that they don't fight back

Base +4, Absaint +5, sike69 +6, Vivi1993 +9

This is...one of the more interesting netorare stories I've ever read.
For one, because the two 'lovers' being seperated aren't really pathetic or weak, just...stupidly stubborn.
For another thing, the fact that the guy in it actually wound up pretty well off, having a cute girl that likes him screwing him all the time, and being considerate of his feelings.
The girl who got 'stolen' on the other hand...well, same as any netorare 'heroine'. Sucks to be her.

Base +10, EdoubleT +8, khrizto +6, animegodswrath +8, sockmans +6, Vivi1993 +9, Jizz23 +6

That's what you get for being tsundere.

Base +11, Yossarian762 +7, Vivi1993 +9

Seeing how these two stupidly self-destructed is kinda amusing rather than rage.
Oh well if I want a realistic story I would stop reading NTR manga.

Base +7, Yossarian762 +7

Unsweet Imouto Rin Itano
COMIC Shingeki 2012-03 [Anthology]
Raw: https://e-hentai.org/s/54a0938e72/574149-188
Expunged Raw: https://e-hentai.org/g/484260/0e33c8089b/

Unsweet Netorare Ochita Onna-tach [Tankoubon]
Raw: https://e-hentai.org/s/394c09dd63/518681-75

Translation:
Chinese: https://e-hentai.org/s/1b85123850/529295-74 [天月NTR汉化組]
English: https://e-hentai.org/s/bc2ef52550/545114-75
Spanish: https://e-hentai.org/s/8d850a8a56/680978-75 [=P666HF=]
Korean: https://e-hentai.org/s/31b6b2f177/1078369-74
Portuguese-BR: https://e-hentai.org/g/1564724/f90e958f1d/

Expunged Raw: https://e-hentai.org/s/df3552a388/503748-78
Expunged English: https://e-hentai.org/g/544876/1b3345f41c/ [desudesu] <== You are here~

Tanaka Aji / 田中あじ
Pixiv: https://www.pixiv.net/en/users/13562
Fantia: https://fantia.jp/fanclubs/17595
Twitter: https://twitter.com/tanakaaji2

Base +10