5th year BOX (Volume 1-4 is the latest issue)

Publisher: Kodansha
Author: Yuki Miyao
Size: 128mm x 182mm
Number of books: 4
Language: Japanese
Category: Youth manga, manga
Latest release date: 2018-08-23

Synopsis:
Kanata, a childhood friend Mana who has been thinking since she was a child, asked for "cleaning the warehouse at home." During cleaning, Kanata finds a strange box. There was an old -fashioned world in the box, and humans actually lived. At one point, Kanata finds a girl in the box that she is about to be killed by a wildfield, unintentionally puts her hand in the box and kills the steal. Kanata, who is scared, visits Mana's house to hear about this box, but Mana's father says, "I have no daughter in my house."