Tokyo KINOKO: The Highest Ranked High School Girl with the World's Lowest Ranking Social Skills

It's been 25 years since Earth was invaded by beings from another realm. Now, everyone's life is shaped by a single measure of strength—the World Ranking. From the countryside of Gunma comes Kinoko Kino, a high school girl with zero communication skills, trembling her way through city life with just one dream: make a friend... but little does she know... She's actually the World Ranking's #1: UNKNOWN!

(Source: tonarinoyj, edited)