Adventure as it stands by itself is about traveling and undertaking an adventure in a certain place or around the world (which may sometimes escalate to the whole universe or even to the other dimensions). In this genre, the main characters don’t usually stay in one place, but instead, ventures into several different places usually with a goal in mind (e.g. searching for treasure, exploring some new place, defeating a heinous villain, saving the world, etc.). Adventure manga are so broad and flexible that these shows usually can stretch to hundreds of chapters as well as mix-and-match with every other genre.