Handlebar and front fork integrated design makes a unique shape; Trapezoidal seat with undulating seat surface can be suitable for people of different heights and genders to ride comfortably. In addition, this bike can be ridden by a single person, or it can driven by one person, and taken by another passenger. In this bike, foldable footrests are installed for a passenger. Not only is the design novel and charming, but an important feature of this bike is its simple and strong structure at a low cost, making it a cost-effective and affordable transportation option for both teenagers and adults