Nakimushi Shottan no Kiseki

Shoji Segawa was a quiet and inconspicuous boy, but, for the first time, he is recognized by people after winning the National Middle School Shogi Tournament. At the age of 26, his dream of becoming a professional shogi player collapses due to an age restriction. After he quits playing shogi, he becomes desperate. With the support of his peers, including Yuya Suzuki, and his love of shogi, Shoji Segawa begins to play shogi again. A miracle happens to him.
(Source: AsianWiki)
~~ Adapted from the autobiography "Nakimushi Shottan no Kiseki" (泣き虫しょったんの奇跡) by Sezawa Shoji (瀬川晶司).