[WP] Compared to the rest of the galaxy humanity is by far the friendliest. To many star systems they are considered "the good neighbor," and are known for their helpfulness. One day an oblivious system declares war on humanity, only to find half of the galaxy responding to humanity's plea for aid.

EDIT: Tfw this prompt gets 100+ upvotes and still no story

EDIT: Nice, we got a story.

EDIT: Wow we got a lot of stories! Thanks to all who contributed to this thread.