On the examination season from January to March, Shinto shrine of any place becomes all go by the worship of the examinee praying for a pass.
All the precincts are buried in particular with "the votive tablet called Ema" which request for pass was written not to mention the congestion of the worshiper exhaustively when it becomes the famous Shinto shrine as "God of the study".
"God of the study" refers to Michizane Sugawara who played an active part in the Heian era, and all the Shinto shrines named "○○ Tenjin ""○○ Tenjin Corporation ""○○ Tenman-gu Shrine that there is much in the whole country seem to do Michizane Sugawara with an enshrined deity.
Of course, the reason why Michizane Sugawara is said as “God of the study” is not only his political skills and the achievement, but also the talent as the poet in literary person.
In Kanto area, three famous Shinto shrines dedicated to Michizane Sugawara often include "Yushima Tenjin", "Kameido Tenjin" and "Yaho Tenman-gu Shrine".
By the way, "Kitano-Tenman-gu Shrine" of Kyoto, "Hofu Tenman-gu Shrine" of Yamaguchi "Dazaifu Tenman-gu Shrine" of Fukuoka are called as “Three Tenjin in Japan”.
Many visitors from overseas visit these Shinto shrines, and seems to lack in a wish to a votive tablet (Ema) recently.