Yuè Lán Chuánqí: Yì Jiè de Fǎngkè

Set in a world 3,000 years in the future, a small-time thief named Lu Weipi finds his life upended when his village takes in Feng Lingling, a girl who crossed over from the modern world, and Angel Cake, a high-tech robot prototype left behind by the ancient Blue Moon civilization. To help Lingling get home, Weipi sets out on a journey — one that keeps intertwining with the fate of his long-lost sister, and slowly unravels the mysteries of a forgotten empire. A charming freeware RPG Maker 2003 classic from Taiwan, considered a childhood staple by a whole generation of players.