Outspoken Luise and shy Lotte meet at summer camp and realize they are identical twins who were separated at birth by their divorced parents. The girls become friends and decide to switch places with each other so that they can each learn about the parent they never knew, and perhaps bring together their broken family.

Dr. Slump creates a little android girl, Arale, who is very stong, happy, and totally common senseless. They live in Penguin Village where the strangest things happen (e.g., the dawn is announced by a little pig wearing a basquee).

After losing her parents in a car accident, Okko goes to live in the countryside with her grandmother, who runs a traditional Japanese inn built on top of an ancient spring said to have healing waters. While she goes about her chores and prepares to become the inn's next caretaker, Okko discovers there are ghosts who live there that only she can see – not scary ghosts, but playful child ghosts who keep her company and help her feel less lonely. A sign outside says the spring welcomes all and will reject none, and this is soon put to the test as a string of new guests challenge Okko's ability to be a gracious host. But ultimately Okko discovers that dedicating herself to the happiness of others becomes the key to taking care of herself.

Nasa, at the request of his former junior high school teacher, Ms. Yanagi, finds hisself entrusted with teaching a programming class at a high school. But here's the catch—it's an all-girls' school. Surrounded by the limitless energy of teenage girls, Nasa tries to maintain his composure, but deep down, he can't help feeling nervous. A capricious boyfriend, secret admiration for someone, and a multitude of romantic dilemmas that can't be solved by programming, Nasa wonders if he can crack the equation of love!