Tenchi Akin (Volume 1-9 is the latest issue)

Publisher: Kodansha
Author: Ebishi Maki, Okata
Size: 128mm x 182mm
Number of books: 9
Language: Japanese
Category: Youth manga, manga
Latest publication date: 2015-12-22

Synopsis:
Okata -chi, the bookstore grand prize winner is complete manga !!!
The life of a man who struggled to make Japan's unique calendar making !!

Harumi Shibukawa, a man who dedicated his life to Japan's unique calendar. All the beginnings were one "amount ema". "Seki", a monster of arithmetic that gave the excitement of Harumi after a long absence to Harumi, who was wondering about himself as a go hit.