His story follows a schoolgirl named Akari Tokimiya and the fantastical adventure which occurs when she visits the memorial service of her grandfather Kenzo, a master special effects man. She has unhappy memories of the old man and his passion projects, the last of which he died during the making of. At the memorial service, she meets classmate Takuya, a tokusatsu superfan, and a strange person named Hozumi, the star of the movie Kenzo was making when he died. Hozumi has with him a prop from the film, the titular “Brush of the God,” which transports Akari and Takuya into the world of the movie where they face fearsome Kaiju, including the legendary Yamata-no-orochi who is attempting to destroy everything. If they are to survive and get back to their homes, Akari and Takuya must find out the secret of the movie.
Sachie Kitahara is a housewife and she has devoted her life to her family. Mako Goda is a wealthy woman who runs a business. They are both diagnosed with terminal illnesses and are told they only have a short time left to live. These two women from completely different walks of life meet at the hospital. They both feel emptiness in their lives. They happen to get a 12-year-old's written bucket list. Sachie Kitahara and Mako Goda decide to carry out the girl's wish list and they begin to feel happiness entering their lives.
In 2012, Atsuya 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.
Members of SWORD win against Wangan Rengogun, which is led by Kohaku (Akira). The city becomes peaceful again. Nevertheless, the most brutal gangs, Doubt and Prison Gang, appear. They try to dominate the area controlled by SWORD.
Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural ability of being forced to prevent deaths and catastrophes by being sent back in time before the incident occurred, repeating time until the accident is prevented. One day, he gets involved in an accident that has him framed as a murderer. Desperate to save the victim, he sends himself back in time only to find himself as a grade-schooler one month before fellow classmate Kayo Hinazuki went missing. Satoru now embarks on a new quest: to save Kayo and solve the mystery behind her disappearance.