His role did not change during Emperor Toba's rule, and became the In no Miumaya no Azukari (Head Horse guard), which was the core position in the In (cloister) military organization that was responsible for managing the horses and cattle and guarding the emperor.
その役割は鳥羽天皇期となっても変化はなく、牛馬の管理・御幸の警護を行う院の武力組織の中核ともいえる院御厩（いんのみうまや）の預（あずかり）となった。