Lorenzo Ryosai, who had formerly been a biwa hoshi (visually-impaired Buddhist troubadours who was dressed like a bonze and played the guitar-like musical instrument called biwa) before being baptized, was invited to Nara to attend the discussion as the representative of the Christians.
キリスト教徒側でこの討論をすべく奈良へやってきたのは琵琶法師出身のロレンソ了斎であった。