This is a boy, yes, a boy who is only 15 years old. One day, he traveled through time.
Of course it wasn't an inexplicable time travel. After being dragged into cosplay by his sister, he traveled through time with nothing under his feet.
The young man looked at this strange world and couldn't help but raise the corners of his mouth.
Since we are in this world, can we release our true nature?
Note: The protagonist is very similar to the cosplay partner Osamu Dazai. They have the same black mud, the same IQ, and the same force, but they have different views on death and different experiences, but they are both miserable.
Intention: I opened my mind and wrote the article