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Summary: Dongwoo, who happened to found the secret of his squad leader is spending a hellish day because of it. Jungyeon, the younger sister found out about her brother’s suffering through his diary. To protect her brother whom she loves more than anyone else, Jungyeon visits Yoo Jinho, the squad leader… “Oppa… I’ll protect you this time.”

Download Link of Chapter 1-10: https://cpmlink.net/_-FjAQ
Download Link of Chapter 11-20: https://cpmlink.net/ZVRwAQ
Download Link of Chapter 21-30: https://cpmlink.net/T1ZwAQ
Download Link of Chapter 31-40: https://cpmlink.net/oFhwAQ
Download Link of Chapter 41-50: https://cpmlink.net/c1xwAQ
Download Link of Chapter 51-60: https://cpmlink.net/d2BwAQ
Download Link of Chapter 61-70: https://cpmlink.net/OIFwAQ
Download Link of Chapter 71: https://cpmlink.net/lJNwAQ NEW

All Chapters Available (71) on here: https://manhwapdf.blogspot.com/2020/08/my-sisters-duty-stain-pdf-english.html

I see Stain decided to stop obsessing over false heroes.

Base +6, Chainjailhunter -6, Ashi17 -19, vilion1 -6, theunderdog +6, 01Anon -6

Are they still fucking his sister? Been a while since I dropped it

Last edited on 05 January 2022, 04:46.

Base +5, Nimble_Momonga +6, Ashi17 -19, Kuro Neko +29

@Letmeinjoe09

If you mean other people, then they never did. Except for one scene that stops with a BJ, there hasn't been any NTR in this webtoon. The novel is another story though.

If you mean the MC, then yeah, I guess he is hahahaha. Korean Raw's are developing the story right now, so no fucking for anyone.

Base +6, sp-12 +6, mmorales7 +7, Xafnir +6

@ZodiacTemp thanks fam

Base +5, sp-12 +6

真的恶心，刀疤脸日女人是反派，你男主日就是纯爱，还把自己名义上的妹妹日了可真行，棒子三观是真的恶心

Base +2, kaname_madoka -8

@ZodiacTemp

This thing had a novelization prior?

Base +7

i dont get how people read this, its like a giant strip.

Base +6, The_Lero_One +6

start up good and then boring vanilla out of nowhere.. come here for ntr, look like the author is too soft to do full ntr story! oh well

Base +6, MelmothTheWanderer +36, pedifily +9, The_Lero_One +6, kaname_madoka -8

What's with netorare tag? While this isn't even ntr? Please remove that netorare tag, stupid uploader.

Base +6, bloody_blade +17, S-pan +14

From what chapter is the cover?

Base +1

Author should have the "sister" be gangbanged by all the biggest cocks in the barracks while the "brother" is tied up and forced to watch!

Base +7, 01Anon -6

I don't know how the novel went (someone mentioned there was a novel version with a very bleak bad ending), but the manhwa went in an entirely different direction, don't expect NTR here.
MC ended up choosing his girlfriend over his adopted sister, the antagonist tried to rape the sister, but has caught red handed and MC gave him the beating of his life, and then couldn't get out of it, since there were a bunch of witnesses of his attempt.

Base +14