Immune Systems written by boomvroomshroom, narrated by VarlotSpeaks.
Finally, humanity meets the rest of the universe.
boomvroomshroom has kindly let me narrate his work. For more, please visit Fanfiction.net fanfiction.net/u/5953312/boomvroomshroom and reddit.com/r/HFY/comments/5n12mx/immune_systems
