yeah.... hopefully the only lewd route he goes for od the Wincest and any other hints of r*pe is just an excuse for the brother to save her... then its fine.
Thank you for the translation (It's Going Down Now is good, but I think Don't (from the Aigis DLC) is better. Kozuka rarely misses; such a good composer).
If MC's friend is gonna marry onee-san.
He's gonna get groomed by the MC to be the greatest husband ever.
And friend's gonna be aware of it and has to go "It is what it is".