Rebirth of MC

The MC died during the apocalypse and then he was reborn 1 year before the start of the apocalypse.He then suddenly opened/found out a heirloom’s secret, he possesses a magical space, a guide book to cultivation, a magical lake and a magical peach tree (immortality peach tree).His goal is to live a relatively nice life during the apocalypse, hence he started a mad shopping for goods before it began.But, how in the world did he end up meeting​ such a person?…ML is A city’s senior officer in the military, his 3 distinctive traits are:1. Rifle2. Cigarettes3. Bastard-like aura ML: Wifey, don’t go, as a husband I will treat you right~