Infinite Variety Comics Starting from Jojo

When a bored soul travels to another world, what changes will every choice he makes bring to this world? … Now that we have traveled to another world, let's put it aside. Anyway, it will be nothing but dirt a hundred years later. Someone thought so. But what the hell is this suddenly opened space-time door! Author: Please forgive me for not being able to write an introduction. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.