Yuuko Aioi

"Today, everything's shining brightly! The air, the people, and even this classroom; because today, I actually did my homework!"

- -Yukko Aioi Yuuko Aioi is a main character in the series Nichijou. She is an energetic high school girl with short brown hair.

Personality
Yuuko loves making jokes and other people laugh, but often fails with her jokes or delivery. Yuuko is usually undeterred by her failures to crack jokes and is creative with coming up with new jokes or humorous reactions.

Trivia

 * Yuuko is constantly persecuted by bad luck regardless of whether or not her laziness was a factor.