An ordinary demon with an extraordinary job

Ken is a ordinary demon boy in the world of Agaren. He leads a life like everyone else. He has a job, earns money, pays rent etc., but he has a very different job, in contrast to other demons. Thanks to his skills, he escort his clients into other worlds and accompanies them, until they have reached their destination. One day a really strange demon appears and he wants to visit the human world, which can be visited only under certain circumstances.