The novel has already been finished and it ends quite differently than you have described.
I don't want to spoil it, because I have read the novel, but it ends like most such stories end.
Do you have the link?
Lol I guess because of Philip violet behaviour and that is presented as drama thought there will be some consequences of his actions but I guess same old happily ever after will apply here too
Here is the link to the novel:
https://travistranslations.com/novel/40766/love-history-caused-by-willful-negligence/vol-1-chapter-1/
Spoiler:
Yes, the two will love each other so much that by the end they can't live without each other and after some really violent, disgusting scenes they get their happy ending.
Amazing ! Thank you ヾ(☆▽☆)
I haven't read the novel and not sure if it's completed,but what do you think about ending like this:
Peter heart fails and Philip kill himself to save him. The only empathetic and selfless thing that can be done to prove he has feelings for some else despite born with non.