The story centers on a group of young people who travel back in time when they are in a movie theater just before closing time. They witness deaths during the closing days of Japan’s feudal times and on the battlefront in China before they are sent to Hiroshima just before the Aug. 6, 1945, atomic bombing of the city.

Yukihiko Nishino is very popular with women, but, in the end, he is always dumped by a woman. Yukihiko seeks out his true love.

In 2012, Atsuya (Ryosuke Yamada) and his 2 childhood friends do something bad and run into an old general store. They decide to stay there until the morning. Late into the night, Atsuya sees a letter in the mailbox. The letter is addressed to the Namiya General Store and the letter was written by someone to consult about worries. Incredibly, the letter was written 32 years ago. The mailbox is somehow connected to the year 1980. Atsuya and his friends decide to write a reply and place their letter in the mailbox.

Kaori (Riko Narumi) is a intense kendo fighter who has been training since she was young. Sanae (Kie Kitano) is a girl who has only participated in kendo casually, but somehow manages to beat Kaori in the final tournament of junior high school. Although Sanae doesn’t particularly care about it, Kaori holds a grudge, setting up a rivalry that bleeds over into high school.

In the early 1990s, experiments were carried out secretly in Japan. Two different methods were used in the experiments. One method involved forcing stress upon expecting parents and when the baby was born, provoke the baby into mutations and develop their special abilities. The other method involved birth to babies having abilities of animals and insects. The special abilities were derived from gene manipulation. Subaru, Saya and others were born from those experiments.

Set within the Kaga Domain in the Edo Period. Oharu is an excellent cook and recognized for her skills. Due to her cooking talents, she marries Yasunobu, who is an heir in the Funaki family. The Funaki family serves as the cook for the Kaga Domain. Nevertheless, Yasunobu himself is a terrible cook. With the help of Oharu’s mother-in-law Mitsuru, she begins to teach Yasunobu how to cook.