The story makes no sense the more we know about the past....ML knew MC tried to commit suicide and wanted to let him be yet from chapter 1 he made all this convoluted plot just to get back in his life. It makes no sense. If you're going to say "oh yeah it is normal for his plan to be nonsense because he was off his meds most time" hen why the fuck did we even need the flashback to begin with? This would've made more sense if ML didn't know about the suicide part and only knew that he (ML) hurt MC and MC ran away so in the present timeline, ML is pursuing MC just to get him back. That makes sense, it'S simple and straightforward
I like this type of strong yet low key MC and flashy abrasive obsessive kinda ML
The one that immediately flashed through my mind was the first one in the list below. There are many more I'm sure but I'm drawing a blank and for some reason, I don't have a specific list for this genre so, I just had to go through my "supernatural Yaoi" list and stories I tagged as "guideverse" (since this is a common trope in that universe) and see if any cover seems to fit this category for me from memory
https://www.mangago.zone/read-manga/death_delayed_for_a_short_time_because_of_the_will/ (kinda similar to this story)
https://www.mangago.zone/read-manga/guiding_hazard/ (MC is strong and so is ML, ML isn't super obsessive but they have good dynamics)
https://www.mangago.zone/read-manga/ordinary_person_a/ (MC isn't super strong but he can help OP ML and ML is definitely obsessive)
https://www.mangago.zone/read-manga/b_class_guide/ (coolheaded low key MC who is a guide, ML becomes obsessed over MC from the get-go)
If the father dies I'm dropping this....I'm tired of the "father death" plot device like some manga/manhwa/manhua isekai version of the "dead mom" trope in Disney.