The Apocalypse: My Abstinent Boyfriend and I Are on a Rampage

[Zombie apocalypse + no supernatural powers + sweet romance (later) + a team (later) + relatively realistic + strong female lead + supporting each other and fighting side by side, not a power fantasy]

At her mother's request, she heads home to build a relationship with the reserved man her family picked for her. Who could have expected a zombie outbreak to strike along the way, turning the road home into a distant dream? By chance, she picks up a little alien, who casually gives her the golden finger she has always dreamed of! Lu Xun smiles. “From now on, big sister's got you covered!” Along the way, she gathers supplies like crazy and takes the little alien around to sample every kind of delicious food! Fighting zombies, dealing with holier-than-thou do-gooders, and punishing scoundrels, Lu Xun is having the time of her life, until a man suddenly grabs her chin and lowers his voice. “Xun'er, your mother wants us to start dating...”