I read it when i was in highschool, my sister buy the hard cover manga, it was licensed and translated in my country languange.
At first i know this is cheating , i read it and did'nt feel anything towards it even reading the ending
After i become adult and know the meaning of NTR, i re-read it and realized just how awful the betrayal on this manga....
The wife is shit, after all that love from her husband she still act like shit, she even promised him she won't marry again after his death, then she marry again, i know he ordered her to do it so she can have financial stability by having a good husband, but well she still shit.
D'Anthes in real life was more asshole and jerk in real life history, Pushkins friends and family know the affair and even D'Anthes flirt in front of her in the public, so all people knows the affair from noble to commoner...Pushkins try to hold it, but this guy keep pushing him, he send a letter and give him a title of grand master of cuckold order, not for one times, but for many times. All people knows it, and if Pushkins did'nt ask for duel, then he will live his life as cowards and called the grand master of cuckold order till he die, no man can hold that insult and shame, so he duel him and died. And that even after all that D'Anthes found a sucessful life even after exile, i can't believe it this shit good happy ending despite being assholes the entire time.
So two shit person have affair , and both of them have good life and the husband despite being dedicated lover, just die and left out in history as tragic person.