In 1857, Augustin de Legazpi enlisted the help and had made contact with a Japanese sea captain Juan Gayo, through a Japanese Christian and interpreter, Dionisio Fernandez who had also joined the conspiracy in the house of Legazpi in Tondo. A secret agreement was concluded in which Captain Gayo would supply arms and recruited soldiers from Japan to help the Filipino rebellion and recognize Augustin de Legazpi as king of the Philippine kingdom.
Subalit tulad ni Arellano, hindi rin natupad ni Basa ang tungkulin bilang supremo, hinirang at pinapilitan ni Andres Bonifacio si Basa. Habang nanunungkulan si Bonifacio sa isang kalakalan, Fressel Company dito’y nakilala si Jacinto. Palibhasa’y magkatugma ang kanilang layuning pakikibaka, idelohya at kalayaang inaasam, buwan ng Mayo 1893, sumapi sa Katipunan ang dalawang istudyanteng Emilio Jacinto at Pio Valenzuela na nagaaral ng medisina. Napahanga ni Jacinto sa taglay niyang talino, sipag at katapatan ang may 12 taon mas bata sa Supremo Bonifacio.