The story of how a mischievous troublemaker takes up the challenge to be a polite person.

 “No running around in crowded places!” “Stop jumping around at home!” “Show some manners!” My parents have been reminding me to behave myself in public almost every day. One day, I obtained two magical wish capsules by luck and wished for “politeness” to disappear from the world. Will a world without “politeness” be more interesting?