It's Such a Shame to Dress up as a Body Double and Have to Raise a Baby.

Once you travel across time, you need identity but not identity, and you need household registration but not household registration. The only way out is to become a stand-in for the wronged person, pretending to be Miss Chen Er when going out with the copy-pasted faces, heights and figures of himself and Miss Chen Er. The loneliness of wandering for many years made Chen Lingyu desperately long for a home. Apocalyptic time travel firecracker Chen Lingyu x serious and old-fashioned little guard Shi Yunyao