It's Okay to Ride in a Wheelchair in the Post-Apocalyptic World, Right?

"Am I reborn?" "Are you my system?" "What do you mean I have to push your wheelchair to fight?" The beautiful girl in front of me asked. —— Ingredients: Slow heat! Near-future world view, catastrophe, zombie and alien crisis, rectification agreement system, defense farming, search, strike and retreat! Draw a card! Command the battle! It's time to show off the skills of a micromanaging master!