The rest of the people that Xin Feng asked to work together with were Hiroto Kiyoshi, Sato Ato, Sana Minai. It was a full squad of five people, which was the only amount of people that Xin Feng needed. A team for the pill distribution mission was not allowed to have less than five members after all, and more than five people was simply too much for Xin Feng to bring along. The reason why, was actually because of the chances of someone discovering his secrets, which would be difficult for him to hide with more people by his side.
The three were easy to accept Xin Feng's invite, since they were quite the friendly type of people, and already somehow close to Xin Feng to begin with. Hiroto was quite the friendly guy and immediately accepted Xin Feng's invite, Sato Ato already knew Xin Feng's leadership and how he is the best teammate to have, and lastly, Sana, who was happy to be part of the best team.
