Onee-chan ga Otouto no xxx na Osewa o Suru no wa Gimu nandesu.

[MangaDex]

 

[MarvN]

Uploaded chapter is 1280x resize for your bandwidth convenience. You can find a download for the original sizes on sadpanda.

Realised I uploaded the 2nd part a few days ago but never uploaded this one, so here it is ><

Scanlator's comment on sadpanda: