I just want to be a human, is that so difficult?

Aoki traveled to the Demon Slayer world, obtained the system, and honestly worked hard to improve his "professional" level. Suddenly, Muzan came to him and forced him to become a demon.

After that, he had two more goals.

First, eat the scum boss, and second, find a way to turn back into a human while retaining the power of a demon.

[A car like a closed room, a woman stabbed to death, and the sound of police sirens getting closer and closer. What choice will you make as a suspected murderer? ]

[1. Do nothing, wait for the police to arrive, and then surrender to the police and admit that you killed the woman]

[2. Do nothing, wait for the police to arrive, but firmly deny that you killed the woman]

[3. Escape]

[4. Before the police arrive, try your best to cover up your evidence of murder and escape responsibility]

"Of course, choose 4!"

Traveling through Tokyo, facing the system that suddenly appeared in front of him, Akikawa Sosuke made a firm decision.

Akikawa Sosuke firmly believed that as long as he survived the crisis in front of him, he could have a peaceful and stable life.

Until he met the elementary school student wearing a red bow tie and round-frame glasses, who called himself a detective...

(Detective Conan fanfiction, original plot, no repetition of animation content)