Isekai One Turn Kill Nee-san - Vol. 1 Ch. 4

[Artaris]

Thank you for translating

 

[tamerblur]

why did he allow the lie to go this far, and why did he not take his sister with him to the guild in the first place.

 

[swiggy1957]

quite unusual for a manga. MC finally loses his virginity. Oh, it happens, but you have to go to something like hentai to find him lose it to his sister. Even then, it usually falls back to being his step sister.

 

[twinklecake]

They should draw a gender-reversed version of this manga, see how well that does.