Omg can this man do anything else in this timeline other than wallow in self-pity? He is not sure if he has the right to beg? Yeah sure, Ido just doesn't have the heart to be told No to his face after going all out and begging Sejin to take him back. Ffs at least give Sejin that satisfaction (he would probably take Ido back).
But no, Ido is just lurking, waiting like a damn coward for Sejin to handle the whole situation and I hate that. The choices Sejin now has are 1. go back to that relationship with Ido (which has always been rather cold and oppressive) or 2. be alone with his trauma. Those choices suck, I totally get why Sejin is hesitant.
Ido should at least give Sejin an idea of what to expect in the relationship to help Sejin choose. Will Ido be kind and loving this time? Or will he still keep his distance? Will he try his best to make Sejin happy or will he keep being the deadbeat he's being right now?