Morotoki won the trust of Retired Emperor Shirakawa and Retired Emperor Gotoba as their parliamentary advisory, and was also engaged in building the Toba Rikyu (Toba Imperial Villa) and Rikusho-ji Temple.
白河上皇・鳥羽上皇両院の政務諮問官として厚く信任され、鳥羽離宮・六勝寺などの造営にも携わった。