Siheyuan: Time-Limited Erasure, the State Takes Action on My Behalf

[Wearing a courtyard, if the task cannot be completed, it will be directly erased? Others' time-traveling is done through soul-traveling, with a system, an identity, and a job. An Jiahao started with no personnel, no identity, no letter of introduction, and no origin. The system issues a reminder mission to visit Haizi within a limited time. If you cannot complete it, you will be immediately wiped out! Simply confess and hand it over to the country, and the rise of a great power begins with the SS awarding atomic bomb blueprints!