In the world of Infinite Flow, one can lose one's life if one is not careful. Of course, this is for others. Others face their fears in the world and are inspired to solve puzzles and fight monsters to find a way out. However, Senyu, a fair-skinned and beautiful boy with a not very smart mind, has been labeled by all kinds of people in the world and has become the recognized partner of ghosts and monsters. They dedicated various collected props to him. When Senyu left, various ghosts and monsters said "Swallow, don't leave."
Purpose: Let's learn more about the story world