Responses
English chapters here are up to the most recent https://mangatoto.com/title/172934-non-zero-sum-uncensored-cupid-scans
also if you want spoils there's a thread on Novel Updates forum from the novel, someone explained it in details https://www.novelupdatesforum.com/threads/non-zero-sum-manhwa.166533/
There is no revenge at all. Uke is much weaker than that.
Someone Update it so i can see if there us revenge or he's just gonna end up with him like any other ones i have read