His grave is at the temple of Saikai - ji in Mita , Tokyo .
Nagai served as the first director of the Kamakura Museum of Literature from 1985 to 1990 .
Nagai 's grave is at the temple of Saikai - ji in Mita , Tokyo .
Nagai served as the first director of the Kamakura Museum of Literature from 1985 to 1990 .