DAIGO has issued a formal statement via his blog on the unfortunate passing of Shimura Ken :
https://ameblo.jp/daigoblog/entry-12585870657.html
DAIGO wrote that Shimura Ken was the 1 who taught him how to drink alcohol as DAIGO's drinking tolerance is not that good
And the last time DAIGO saw Shimura Ken was last month , same with my friend who attended the taping of Tensai! Shimura Doubsten :x