Oliver is friendly, jovial, usually seeming casual and nonchalant. He’s a very friendly man. Oliver is relaxed and usually the peacekeeper of the Japan U-20 soccer team, on which he plays center-back. Despite his seemingly jovial and friendly manner, Oliver changes dramatically when he’s upset. Oliver can also be a bit reckless at times, usually making reckless decisions on the spot. Oliver is a bit of a womanizer, but once he’s met the one he really likes, he’s the most loyal man in the world.