My Diary of Revolution in Another World

(Alternate world + magic + ensemble cast + revolution + multiple races + slow burn + no System) Every so often, a batch of people who have transmigrated arrive in the land of Skadia. This time, our gray cat unexpectedly ended up here too. As someone reincarnated into this world, what unexpected surprises can he bring it? Of course, he isn't the only one who reincarnated. There's also a bunch of baffling people (probably)... (Who writes a diary, anyway?)