Bring Your Sister to Build a Secret Kingdom

Wander into a secret place by mistake, explore to survive, and monopolize the Taoyuan to start a family business; Live in seclusion and farm with science and technology, and enjoy the fireworks of the world in troubled times; Carrying relatives and friends, twisting flowers and embracing the moon. Treasures are obtained in secret caves, evildoers are punished and gooddoers are rewarded, and mountain cities are built in remote mountains; Cutting mountains to make roads, building bridges across rivers; Build water conservancy projects, run schools and educate people; ...