Yoshiaki Yoza

The members of a sci-fi club accidentally spill Coke on the remote controller of an air-conditioner during summer and suddenly a time machine appears in their sweating bath-like clubroom.

Momotaro and Hidemaro are 1st-years at Otokojuku, a private boys school where true men are made. Momotaro, proficient in academics and martial arts becomes good friends with Hidemaro an underachieving weakling. Omito Date, former student leader, plans his revenge against his former school. Now leader of an evil army from rival Kanto Gogakuren school he fully intends on taking over Otokojuku.

Tamako is 20 years old, lives at home with her mother (Kishimoto Kayoko) and teenaged brother, and simply refuses to grow up. Ever since her father left the family, she's stopped trusting people, and now lounges around in her own small, claustrophobic world. Wearing an iron helmet whenever she steps outside, she ventures only to her mom's beauty salon, the mechanic shop, and the bakery - the source of her greatest joy in life, sweet buns. Her world is static, insular, and safe, and there's no need to change - that is until her cat runs away, the bakery closes, and her mom falls in love with another man.

Mitsuko Murakami puts the passion to balloon in the hot-air balloon Circle "Airheads". The club gathered young people holding a variety of thoughts. But "Airheads" is disbanded not too long. Five years after their time in the Balloon Club ended, the members' former club leader brings them back together and rekindles old flames.

Mano Hideko is a former judge who left Tokyo after getting tired of judging people. She traveled 120km south to an island called Oshima. There, she met Komiyama Nagisa, a young girl who was born and raised on the island. For some reason, Hideko decided to help Nagisa at her izakaya "Kazemachiya", which was passed down from her grandfather. Hideko then begins her "second life" as she meets many customers who have various troubles in their lives.

Sanpuu Minami is a popular shojo manga artist who is believed by many to be a woman. In actuality, though, his real identity is Eichizen Gotaro, a single father with two children. One day, he receives a notification from the court that he has been appointed as a prosecutor's office examiner. With the deadline for his manga approaching, he requests a withdrawal but this is declined due to a lack of special circumstances. He joins 11 other people randomly selected from ordinary Japanese citizens, who each have unique personalities and give off the impression that they would like to get this over and done with. At first, Gotaro has a negative attitude towards the Prosecution Review Board, but as he gets closer to the thoughts of those behind the case, he starts to appreciate how important this job is.

Komukai Riko is a young single woman and works for an event planning company. She is considered average in regards to her personality and appearance. One day, her co-worker mentions person of a mass production model. Komukai Riko asks herself if she could be such a person for a mass production model and she answers her question affirmatively. Around this time, she happens to see plastic model Zaku at a neighborhood store. Zaku is a robot from TV anime series Mobile Suit Gundam. She becomes interested in plastic models and challenges herself to make her first plastic model.