the detective was on a case of "vampire murders". He thought pink hair vampire is the culpirt cause he saw him and the devil in the car (chapter 3,4). but the actually murders is his boyfriend, the white hair guy who is very fucked up in the mind . he killed people cause he thinks that if the detective retired he may not need him anymore, i think...
Spoilers
So the second couple consists of the detective who is currently trying to find the murderer of the "vampire killings" his boyfriend is the kid that he helped save when the detective worked his first case. The kid is also the one responsible for the "vampire killings". It looks like he's doing it because he wants
Spoilers
So the second couple consists of the detective who is currently trying to find the murderer of the "vampire killings" his boyfriend is the kid that he helped save when the detective worked his first case. The kid is also the one responsible for the "vampire killings". It looks like he's doing it because he wants the detective to chase him
Can someone explain the 2nd couple to me ? Who are they ?