How Does It Feel to Be Misunderstood as a Perverted Murderer?

[Suspense + Thriller + Funny + No Female Protagonist] In 2022, Lanhai City, a city with simple folk customs and outstanding people, suddenly experienced frequent disappearances and strange murders. At almost every crime scene, a young man wearing a blood-stained white coat and holding a half-meter sharp pig-killing knife could be seen. "I am a medical student who works part-time as a midnight pig killer. Isn't it normal to dress like this?" "You asked me about the blood stains on my white coat? Of course it was from killing the pig." "Why do you still carry electric batons and bricks with you? When a boy goes out, it is reasonable to bring some self-defense equipment, right?" Qi Zian tried hard to maintain a harmless smile, and patiently explained to the heavily armed police and the victim huddled in the corner: "Please believe me, I am really a good person, not a perverted murderer!"