 After Keio University dropped its financial support for "Mita Bungaku" literary magazine in 1925, he (along with Kubota Mantaro) contributed greatly to its re-launch and supported it throughout the 1930s.Minakami continued to enjoy baseball even after he became a writer by arranging games between the "Mita Bungaku" amateur baseball team and a team led by rival author Ton Satomi.Minakami died of a brain hemorrhage in 1940.