Would ReRead

The entire reason I started this list, a mystery marks the framework for these two's love:
"Chansol never experienced friendship before he met Park Hanhoo, a troubled boy who terrifies school gangs and hides his face with an unruly haircut. But when a horrific event turns Chansol's world upside down, he is forced into hiding and reneges on his promise to stay by Hanhoo's side. Now an adult, he’s back to resolve old issues, but with the truth about his past hidden behind

Slow burn as the two learn to overcome their differences and fall in love:
"A bad boy on the surface, a good kid on the inside; A bully on the surface, but a mischievous little devil on the inside. Two teenagers with different lives and different personalities develop a wonderful friendship by sheer chance. How will they make it last? "Untouchable" is here to answer that!"

Agenuine love story where the protagonist goes back in time and learns new information about the person he cares about:
"Ein Price was 35 when he was murdered. Now he’s 19 again and back in college with the man he was madly in love with: Ray Cunnington. After saving a dragon named Null, Ein was given three wishes. The first was a sausage. The second was for Ray to be the last face he saw before he dies. His wish was granted"

Genuinely interesting detective story, with a love story alongside:
"Ba Song is the hotshot cop who's been handed an open-and-shut case: the suicide of a young woman. Except... who commits suicide by stabbing their own body and strangling themselves? There's only one man who can help him with this mystery - Bo Shan, the renowned forensic pathologist with a severe and cold personality. What's more, his body produces bioelectricity, allowing him to acutely sense bodily injury w