 Several years later, Sotelo, now Bishop-elect of Ōshū (in Northern Honshū), returned to Mexico en route to Japan, where he chose Sasada as his personal secretary.The party returned to Manila in June 1618, where Sasada completed his studies for priesthood, with Sotelo instructing him.Because he was not of canonical age, a special dispensation was obtained and he was ordained a priest in Manila.