You've Got Mail: A Cautionary Tale - Chapter 51 - Haiwang, Are You Really Not Going to Let The Physician Check Your Eyes?

Qi Le – gender: male, sexual interest: women – suffered from congenital heart disease and died early. However, God played a small trick on him and placed his soul inside the body of a trashy shou.

“One Generation Immortal Venerable” Luo Chen was attacked and reborn and returned to Earth.

He is an ordinary person, facing the contempt of his girlfriend, the ridicule of his rivals, the miserable life of his parents, and the threats and provocations of the rich and young.

He vowed to change the injustice of fate, stand on the pinnacle of this world, and tell everyone that Luo Chen had been here.

- Description from MTL

The story is about a man whose compulsive tendencies make it impossible for him to keep a job, and a young girl who skips school and loves insects. The two meet, come to support each other in reintegrating into society, and fall in love. There’s a problem, however: namely, the parasites in their heads.

Kwan Dae-ha.