Kurochan is a slur used to describe Blacks in a derogatory way. Japanese derogatory term-"kuro"=black color; "chan"=suffix used for children or someone younger
The word Kurochan is a racial slur that has been used historically to degrade and dehumanize blacks. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to blacks. If you are unsure about whether or not it is appropriate to use the word Kurochan, it is best to err on the side of caution and avoid using it in any situation.