Uncle and nephew × mutual attack
Criminal Investigation and Forensic Medicine
Duan Chi (brother-in-law) × Duan Yan (nephew)
"I love you, so you have to stay with me."
"The rain washes away old clues and washes out new ones."
"My love for you is like a black mandala."
I'm not a professional, I just write casually for everyone's enjoyment.
Purpose: criminal investigation plus abstinence