This work is a time-travel comedy that unfolds when a good-for-nothing uncle from the Showa era comes to the Reiwa era. Middle school physical education teacher Ogawa Ichiro travels from 1986 to the modern day of 2024.Ichiro, who spoke vulgarly and repeated inappropriate words and deeds that Reiwa could not imagine, also gave people in the Reiwa era, who were bound by compliance, an opportunity to think.Risa Naka plays the role of Nagisa Inujima, a single mother who works in a television station, and meets Ichiro who comes from time-travel in the Reiwa era.Yoshida Yoshida plays the role of gender studies sociologist Mucus Sakae who travels from Reiwa to the Showa era. Junko, the only daughter of Kawai Yumi Ichiro, and Sakamoto Eden plays the middle school student Mucus Saka Kiyoshi who was born in the Reiwa era and traveled to the Reiwa era with his mother Mucus Sakae.In 1986, I fell in love at first sight with Junko, whom I met during the Showa era.

The Time Machine Bus only has one round trip left.Ichiro (played by Sadao Abe) finally decided to return to the Showa era and steadily organize his affairs in the Reiwa era.

Ichiro decided to use the last time to sneak away to the depressed Nagisa (played by Nakazasa), and said goodbye to Inoue (played by Hiroki Miyake), Yuzu (played by Arata Furuta), Akitsu (played by Hayato Isomura)

Back in the Showa era, Ichiro met Junko (played by Yumi Kawai), who had become a student who took the entrance exam seriously.However, it is not just Junko who has changed. Ichiro, who has become accustomed to the Reiwa era, has also renewed his inner self.

Ichiro, who is full of Showa spirit, has doubts about the current situation of junior high school and thinks about his future...!