Konosuba: a change in history.
10 parts Ongoing This story will begin after the first week of Kazuma's arrival to this wonderful world, where his first days were not what he expected, so he decides that it will not be easy to defeat the demon king if he does not improve.
Therefore... he will begin to use his strongest qualities, his luck, his intelligence and above all all the knowledge of his old world to advance faster, perhaps even live in peace.
The characters and content do not belong to me, they are taken from the light novel Kono Subarashii Sekai Ni Shukufuku Wo!