In the 15th century Japan, the sengoku era.
There was a big war at Naho's residence. Naho who is 15 years old must prepare to move to the modern era because of her mother's orders.
A 15-year-old man named Isamu Masamune was also ordered by his father to move to the modern era with Naho, just the two of them.
After moving into the modern era, they are in the jungle and the atmosphere is late. They are confused where they are. After looking for a way out they were shocked to see the situation in a city so very different. Apparently, they are in Indonesia. suddenly, they immediately turned into ordinary people, both immediately went looking for a place to live for them.
They were visited by a school security guard who was guarding at night. The security guard said:
(Security) "Hey! What are you doing?"
(Isamu) "We don't know where we are going?"
(Security) "Then? What are you doing with this girl?"
(Isamu) "Oh, she's my friend, but, we have no place to live!"
(Security) "Huh !! Seriously ?!"
(Naho) "We're lost here anyway, don't have money!"
(Security) "hmmm... Alright I'll help you guys"
(Isamu & Naho) "Thank you, uncle"
(Security) "(Uncle??)"
The security guard took them to the apartment where the apartments were all cheap and the facilities were complete. Security guard, will pay for everything.
Security Guard, offered them to register the school. Both of them nodded want to go to school.
Because the atmosphere was late, the security guard immediately returned to school to stand guard.
Naho and Isamu are in the apartment, both of them sleeping in different rooms.
At 3 am, Naho wakes up from her sleep, Naho wants to go to the toilet. But, Naho saw Isamu standing in front of the window.
(Naho) "Anu... Masamune-kun? What are you doing there?"
(Isamu) "eh, Sasaki, nothing"
(Naho) "Oh"
Then, Naho finished going to the toilet and continued her sleep.