Responses
From the spoiles i read, In the past life he indeed betrayed her bc he want political strength :( but after she died, he regret it and turn back time. He think that he's in love with her but it aint love, It's just obsession (ب_ب) bc he disregards her over everything, he's just delulu mfs that didnt deserve her ┑( ̄Д  ̄)┍

Im literally writing a shit tons full of paragraph bc i feel sorry for isekai guy aka ex fiancee but after knowing the truth ಠ_ಠ i hope he rot in helll ಠ益ಠ