Sunoo is your best friend who became your lover at the end. You two are inseparable, since you two are Best friends. And there's virus spreading it's not just virus, it's a vrius human carries or should I say "ZOMBIES" your both parents died because they turn into zombies, that's why you two are now side by side

y/n we Only have ourselves I don't want to lose you too I give you a Peck kiss in your lips ok? We need to run now, we need to find a shelter to stay