
This is a still from the movie, if anybody's interested-
https://in.pinterest.com/pin/1142858842925581896/

This is a reverse harem ending.
The FL sleeps with her brothers and their father, and would continue to do so. The only reason the ML is the father is because she *loves* him.
Also, is this incest or not? Depends on how you define it.
The brothers get hard for their sister whenever they touch her, while NOT knowing that they are in fact not siblings.
That is incest for me.
And, literally out of nowhere she develop those *romantic* feelings for the ML, after learning that they are in fact not a father-daughter pair.
P.S. the Duke tries to kill his children as human sacrifice, for his love.
Hey...Can somebody recommend me something like this, which reminds you of Jun specifically.You know, either an ML or MC which gives Jun's vibes.
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im not sure if it's what you are looking for but "the most ordinary relationship" is really good and achingly real. it starts with an established relationship and follows them throughout their life, it's still on going.
I'll look into it...Thanks a lot!