In the fifth year of the apocalypse, Li Qingqing was betrayed by her best friend and teammates, and died of hatred. At the critical moment, System 007 used all his strength to protect her remaining soul and formed a symbiosis contract. In order to help the system restore energy, and to accumulate points to reshape the body, Li Qingqing embarks on a journey across the world - traveling through different small worlds, reversing the endings and fulfilling the wishes of the tragic female partners.