Moriarty's Perfect Crime

The most feared criminal, James Moriarty. He loses his life in a battle with a great detective, and when he wakes up, he finds himself possessed a young lady, Sherry Moriarty, who is about to commit suicide.

Sherry suffers from insidious bullying and feels pessimistic, thinking that she has no choice but to die. James Moriarty, who has lost his memory and cannot remember his name, asks Sherry. "Do you want me to die?"

The professor borrows Sherry's body and looks around the dormitory. Sherry also decides to fight Cochon. The professor begins to give a "lecture" to Sherry.

Miss Fear Lady appears when Cochon is caught in the professor's trap. What is the equation the professor has prepared for Cochon, who claims to have been insulted by Sherry?

Cochon chases Sherry when she goes out to collect wildflowers, and ends up falling into a well. What choice did Sherry make against such a cochon…

Sherry tries to explain to the professor who is trying to correct his incorrect answer what the best young lady she envisions is. Sherry then extends her hand to Cochon, asking him to make up.