Background
Yaichi Haga was born in 1867. Haga's father Masaki had studied National Learning (kokugaku) under Hirata Kanetane and Japanese poetry (waka) with Tachibana Akemi, and had served in the Shinto priesthood (shinshoku) at the shrines Shiogama Jinja and Minatogawa Jinja, formative experiences that profoundly influenced his son. Haga's mother Aki was the eldest daughter of Shiba Usen, chief domainal instructor of painting