What's wrong with a novelist opening multiple pseudonyms?

Alternative Title: 小说家多开几个马甲怎么了
Author: Your hands are short

Summary:

Matsumoto Seicho is a social mystery novelist, but in fact, he has several vests that write other themes.

1.
Oda Saku was awakened by supernatural powers in the middle of the night.

His new cellmate next door dipped his fingertips in blood and wrote the last period on the glass. The next second, the world began to collapse.

In order to change all this, Oda opened the shackles for the young man.

The young man rubbed his wrist and smiled and said, "I was locked up because I wrote something."
He thought about it, erased a few words, "Let's leave here together."

--Excerpt from "The Thought Prisoner"

2.
Bourbon accidentally saw his encrypted diary when he was recovering his old friend's relics. The password was the day they graduated from the police academy.

"At first, they thought I was a friend, but I'm not. I'm an undercover agent."

"Later, they thought I was a traitor, but I'm not. I'm a friend."

"Since I'm destined to irrigate the bright future with blood, I hope to use my corpse to fill the rugged road of my companions."

"Let me die in the dark night where no one knows, and the sun rises to illuminate the pure and flawless soul of my friend."

- Excerpted from "Gray Shadows"

3.
Tian Yu Tyrant pretended to be a plumbing repairman and knocked on the door of the assassination target: "Hello, regular inspection."
The curly-haired young man's eyes widened when he saw him.

"Excuse me, can you move in with me?" The college student shook his hand and said excitedly, "I can pay you, any amount is fine!"

Even:?

"You make me feel very excited! I want to finish the manuscript at hand in this state!" He smiled embarrassedly, "I'm a romance novelist."

- Excerpted from "Negotiated Love Theory"

4.
In order to investigate the progress of a witness protection plan, Akai moved to an apartment just one street away from the witness.