Bronze and Guilu

Two male protagonists and two female protagonists Bai He·Tian Chenghua [Male] Shan Ma Dan·Mu Qingwen [Female] The hateful system gave them an irresistible mission. How on earth can they survive here... I only know that only one of them will die of old age... New author, don't comment if you don't like it Note: Three people co-wrote it, so the author should be Mo Xinruan Concept: Infinite flow, horror