
Sorry for being logical and I know this would end the whole story but once he figured out that he relives the moment when the uke dies, why didn’t he just stop following the same routine of running to the uke. He clearly had to relive the moment a bunch of times before he puzzled together to not follow the same routine when he wakes up.
I can’t remember the beginning of the story that well but didn’t the uke actually bump into the seme instead of the seme going to the uke’s dorm so maybe that kinda helped them live a bit longer.