Katakoi Kazoku - After Story (Doujinshi)

[MangaDex]

 

[AvivaDiva89]

I get that they love each other, but they're full blooded uncle and nephew, for Pete's sake! How can Nii-san cry over such depravity like he's at a dang wedding?? (And I'm assuming the was a decent reception for this manga given the author did a continuum? I'd have like to see what the Japanese readers' reaction was to this. )