Love but infected (Doggy x Pony)

Pony and Doggy were best friends before the outbreak but Pony started to get feelings for Doggy then soon couldn't keep in contact when it started but then Y/N came along then Doggy got infected soon when Y/N Met Zizzy, Pony and also- Yes there is lemon :) (p.s. this is my first fanfic if there is mistakes made don't be rude)