the deal with my heartbreaker

Zombies suddenly appear all over the world, spreading rapidly in crowded cities. Within a day, national governments collapse all around the world, leading to chaos worldwide. Law and order vanish, making people fear both zombies and each other. Despite the zombie threat, groups form and fight over the limited resources. But, amidst all of that, a man named Richard received a system that allows him to summon troops, military equipment, weapons, and vehicles. With his newfound power, he can protect himself, his comrades, his kin, and other survivors from zombies and rival factions. A rampaging Goliath? Unleash Warthogs, AC-130s, and Apaches in the sky. Mutant flying zombies? Establish anti-air defenses. Juggernauts shrugging off small arms? Deploy Abrams tanks and IFVs. Rival factions raiding? Let them face our might. Some notes from the Author: There'd be some strong content in this novel so you are warned. This novel is written in light novel, anime, manhwa style, so characters will have different hair colors and expect character illustrations to be in anime or korean drawing style.