Among One Piece, the people with Koi Physique mainly included: 1 Luffy: Luffy has the rubber fruit that can create a powerful rubber form, giving him the Koi constitution, allowing him to swim freely in the water and have a strong vitality. 2 Sauron: Sauron is a swordsman with extremely strong combat ability and has cultivated the "Tianxiang Sword Technique", which allows him to fly in the air. He has the Koi Constitution and can fly freely in the air. 3. Nami: Nami is a sailor with excellent navigation skills and has practiced the "Sea Tower Stone Technique". She can breathe in the water, giving her the body of a koi fish and allowing her to swim freely in the water. 4 Usopp: Usopp is a sniper with excellent shooting ability and practiced the "Sniper Skill", which makes him have a Koi physique and can maintain a strong state in the game. 5 Choba: Choba is a reindeer with super vitality and can use all kinds of transportation means. He has the body of a koi carp and can easily move around the city.