Sumptuous monster: Olen

In the lost desert, there's a village that are not known for the world, it's like forsaken, and the inhabitants can't even find the way to quit this place and explore the world. Olen is one of these villagers, he's a biker, and a pretty profesionnal one at that! But he felt like his life is nothing, and decided to convince other villagers to escape from this place. But it didn't work, as the fact that nobody can't do it. Until one day, Olen saw a new person present at this place, and immediately decided to ask him a lot of questions. This person is actually a demon who has an objectif to release everyone who accepted the contract! One of them is obviously Olen, and he's ready to discover the new world with others. But ... what's this contract that the demon gives?