It's Actually Not Easy Wanting to be a Supporting Male Lead - Chapter 4.5

The story of a returnee who lived in the world of martial arts for 20 years and plays games instead of hunting monsters.Summary:[TS] Martial Arts Returnee’s Game Broadcast follows a martial artist who, after returning to modern society and undergoing a gender transformation, becomes a game streamer. The story mixes martial arts with gaming and live-streaming elements in a contemporary fantasy setting.

The ordinary world is not ordinary, ordinary people are not ordinary, and safe places are not safe.

This is a story of a passer-by male protagonist who is entangled by various girls with strange hobbies or even non-human beings while surviving in the cracks and opening a harem.

- Description from novelbuddy

When Li Shen’s second personality acts out, her consciousness is sent to a strange place called Split Zone No.13. She is then informed that she can only return home after unraveling the truth.