Because of the popularity of this series, here is the full index.
Part I: Overview
Part II: Korea and Japan in Pre-Modern Times
Part III: Japan's Occupation of Korea during World War II
Part IV: Korea and Japan after World War II
Part V: How Contemporary Korean Nationalism Shapes Korea's Attitude Toward Japan Today
Currently, the most robust discussion has been occurring Part III. However, please read the entire series for the whole context.
Other posts relevant to the past history Korea and Japan:
Japanese Defense Minister Denies the Existence of Comfort Women
A Look into Imperial Japan’s Rule over Korea
Japan Pays 99 Yen Pension to Former Forced Laborers, and the Godfather offer that Japan should make.
Korean and Japanese Scholars Issue Joint Statement on History
Japanese Prime Minister Apologizes for the Colonial Rule
A Look Into the House of Sharing, the Memorial for Comfort Women
Japanese Finance Minister Denies the Legality of War Criminal Conviction
Story from a Former Comfort Woman
Lies by Imperial Japan Apologists