In a surprising turn of events, the co-leaders of Japan's Ishin Party have announced their intention to step down from their posts. Their resignations have initiated discussions about the future direction of the party and its role in national politics.

In Japan, leadership resignations often signal dissatisfaction with the status quo or a shift in a party's objectives and strategies. Leaders of parties may also resign to take responsibility for electoral defeats or scandals, which is a significant part of Japan's culture of accountability in politics.

In the US or EU, party leadership changes may not necessarily result from responsibility-taking for failures, as is often the case in Japan. Instead, leadership changes are more driven by party dynamics, such as power struggles, differing political views, or public opinion shifts.