Season 1

On a very auspicious summer day, first year middle school student Hajime Yasaka was making a small, prank bomb for his school's "research project," and from its appearance it looked very much like an actual piece of str…

Yasaka Hajime came to the countryside to spend his summer holiday at his grandfather's house. After losing his way, he decided to take a break at a local coffee shop. There upon his arrival, he met Arashi, an older girl…

Hajime and Arashi are flashed back to a world of the past, and Arashi still cannot believe that she is a ghost. Now, even though weird things are happening at work, all Arashi could do was think about what had recently …

Knowing Arashi's secret and power, Hajime swears to keep it a secret, even though Arashi still doesn't believe that she's a ghost. One day, Hajime and crew decided to take some photos of this black-haired girl to be the…

Sixty years ago, Kaya and Arashi were friends. She, like Arashi, has the ability to travel in time, coming to the present day. Hajime watches on as they are delighted and overflowing with excitement upon meeting again, …

It seems as if girls always give Jun a cold shoulder or look whenever he gets close to them. Kaya provides little sympathy to Jun's plight, however she takes his hand and the next moment they are flashing back into time…

Kaya questions Jun and asks her whether or not she should keep up this masquerade of pretending to be a boy. In the meantime, Arashi and Hajime create some make-shift baseball gear. With all his might, Hajime hurls a …

On their way back from buying a bunch of watermelon, Hajime and Jun decide to take a break at a nearby Shinto shrine. They spot a vending machine but only have enough money to buy one drink. Hajime suggests that they s…

At the Ark Coffee Shop, the owner makes a special request to everyone. She asks them to travel back into time and bring back non-expired mackerel sushi so that she can eat it. Kaya strongly opposes to such a ridiculous …

As their work is coming to an end, Arashi and Hajime run into Yamazaki Kanako. Kanako suddenly stabs Arashi's chest with her hand, causing her power to drain out. As Hajime is about to leap in to save her, he realizes t…

In an attempt to save Arashi after she has her powers sucked up, Hajime and the man with the sunglasses creep into Kanako's residence. However, they could not get past Kanako's watchful eye as they fell under her attack…

As Arashi starts to become more conscious, Kanako and Yayoi are must try even harder to maintain their presence and restore their energy to stay alive. However, they are fading as Arashi is gaining more energy. Kanako a…

A particular summer day, when Arashi is finally revived back, Hajime must find a solution to his cherry bomb, summer school project. However, on the way to the Ark, Arashi decides to change the name of the bomb to "Cuti…