The winds of political change swept through South Korea in early 2022. Yoon Suk-yeol, a conservative and former prosecutor general, triumphed in the presidential election. As the incoming president seeks a new direction for Seoul’s foreign policy, perhaps the most politically fraught and sensitive part of his agenda is improving South Korea’s frayed relations with its former colonizer, Japan. Better relations will benefit both countries, but their leaders will need to be careful about how they go about improving relations if they are to create a durable sense of goodwill. They will need to...