Domestic na Kanojo - Vol. 4 Ch. 31 - Resolution

[MangaDex]

 

[Verypeeved]

i mean, she has a point. taboos against incest are utterly vestigial when it comes to non blood related siblings, especially ones who only became siblings in their teens or later.

 

[ManaLime]

Technically they did do they deed before they were related so all's fair.

 

[Namek250703]

The Bruh continues.

 

[Kreed_]

There it is, the infamous line