https://en.wikipedia.org/wiki/List_of_war_apology_statements...
Also, the vast majority of Japanese school books do cover the war in unflinching detail; however, unlike China and South Korea, Japan approves a whole range of school books, which have widely varying views. There are Communist textbooks, pro-North Korean textbooks and, yes, far-right textbooks. One particular series, which led to riots and violence in 2005, ended up being used by 0.039% of Japan's schools:
https://en.wikipedia.org/wiki/Japanese_history_textbook_cont...
The reason the issue lives on is in very large part because, for political reasons, China and South Korea refuse to let it die. This doesn't excuse the occasional Japanese right-wing nutjob denying anything happened etc, but then again, we don't blame Germany when some random neo-Nazi targets a synagogue.