The provided text appears to be a description of a game rather than an answer to the question "How do people become demons?" To address the question directly and in the context of the game described, here is a tailored response:
In the game created by shizuka, the transformation of people into demons is a central mystery explored within the narrative. Set in a closed women's dormitory rumored to harbor "demons," the story follows the journey of a protection bureau staff member tasked with safeguarding these enigmatic beings. As the player, you encounter two girls who are seemingly students of the dormitory, and the core of the gameplay involves unraveling clues through conversations to determine which of them is the "demon."
The exact process of how people become demons in this game is not explicitly detailed in the provided text but is implied to be a significant part of the storyline that unfolds as you progress. The game's short adventure format, lasting 20 to 30 minutes, suggests that the transformation might be revealed through the interactions and clues gathered during the gameplay.
For those interested in exploring this theme further, the game can be played on various devices, including smartphones, using the virtual pad plug-in. It is created with RPG Maker MV and includes horror elements without overt threats, making it an intriguing narrative-driven experience.
This response maintains the focus on the game while addressing the question about becoming demons within its context.