He founded a private school, and started teaching the creed of Suika Shinto, which respects the legitimate reason, to young court nobles, but because of this, he was deemed as the central figure of the 'Horeki Incident' in 1758 and condemned to the most severe punishment in banishment, and he was expelled from Kyoto.
家塾を開いて、若い公家たちに大義名分を重んじる垂加神道の教義を教授したことから、1758年（宝暦8年）の「宝暦事件」では中心人物として重追放の処分を受けて京都を追放された。