Zombie apocalypse au

You and Gyutaro were lovers Gyutaro loved you like crazy,you were truly his Gyutaro was an scientist and did lots of lab experiments One day,a zombie apocalypse happened,but gyutaro did keep you safe with the other lab workers Everything went fine until you got infected.He was about to shoot you but noticed something Gyutaro noticed how you still had your sanity but had no control of your actions.So he chained you in a room with a muzzle on your mouth.