This is the future, and "people" no longer have gender distinctions.
In order to experience more emotions and experiences and enrich their increasingly empty spiritual world, "people" have invented various machines, including but not limited to time shuttles.
In order to learn more, the protagonist of the story actively asked to join Project P - a plan that is said to be able to change the future of "people".
Here, he meets all kinds of people:
Here, it understands various emotions:
Finally, it discovered that "human" and "P" are themselves a joke...
The stories here are both happy and sad, and the people here have their own stubbornness. Welcome to this world constructed by "people".
Concept: A story in which the protagonist gains experience and becomes a "human" through experiencing different lives.