方清座主

Tachibana Ginchiyo's older half-brother and head priest of Mihakonomiya in the Sengoku Period.

When Riku goes back to the past and takes Housei's place, Riku mainly inherit Housei's memories along with his background. However, due to the relic's power, Riku still retains his actual body from modern time and people around him refer him by "Riku" instead of "Housei".