A year has passed since Okawari and the three sisters have grown up. Their likings and moods are almost the same. Haruka, the older sister, is a love-giving mother to the younger sisters and a discipline follower. Kana, the middle one, leaves everything to the last possible moment and always gives trouble to the trio. Chiaki, the little one, is the calculating and manipulating one; she likes to be admired and loved by Haruka and always gives trouble to the less blessed Kana. Despite being an unbalanced family, they love each other with all their heart. The family's daily life is as funny as ever; trouble and love are always present. Now it's time to see if they'll survive this age change since Haruka is now a young adult; she has even more responsibilities, having to watch over the young while integrating into the adult life. (Source: ANN)

While the title suggests a story of simple, everyday school life, the contents are more the opposite. The setting is a strange school where you may see the principal wrestle a deer or a robot's arm hide a rollcake. However there are still normal stories, like making a card castle or taking a test you didn't study for.

Hiroshi and Misae have never been to a honeymoon trip to a foreign country. One day, Misae discovered an inexpensive and family-friendly holiday package to Australia and the Nohara family decided to make it their first honeymoon vacation. Hiroshi gets kidnapped upon arrival to Australia, leaving Shinnosuke, Misae and others on a dangerous journey. It turns out that Hiroshi is the key to a secret treasure. The remaining members of the Nohara Family must rescue Hiroshi, while a mysterious masked man and treasure hunters from all over the world are after him. The struggle is among three different groups in this action-filled treasure hunting adventure.

Yume Nijino has been accepted into Four Stars academy, home of the beautiful and talented S4 idol group. She and the other newcomers are determined to discover their talent, with a choice of specializing in beauty, singing, dancing, or drama. A tough road lies ahead of them, and they must rely on each other to overcome their weaknesses and develop their unique strengths. At the first-years' opening performances, Yume performs stellarly but faints and is unable to remember being on stage at all. Struggling to find her talent, she meets Rola "Laura" Sakuraba and the two develop a friendly rivalry, working together to learn and improve. Though they have their differences, all the students share the same goal: to become the next S4 idol. But hard work and determination, along with teamwork, are needed if they want to join the elite S4. [Written by MAL Rewrite]