As you have already known that Japan participated in COVAX Facility on September 21, and the participation had spurred forward growing international support of the Vaccine Alliance.
Moreover, Komeito has been among the strongest political proponents of the initiative in Japan(referred from the News, a party of komeito on September 27). The contribution to humankind by Komeito has based on their political philosophy and was like the action as they are.
So after this, I decided that I have more supported them, the party of komeito.