Yuuki Kousuke was killed while trying to help someone on his first day of school. However, the old man he helped happened to be a god. He lets Kousuke reincarnate into another world, Yuuki wishes to live like those overpowered protagonists as seen in his favorite isekai stories, however, he instead reincarnated into a world similar to his own a moment after his death but with cheat abilities and is accompanied by a god in the form of a cat.