Roll-chan 3 Improvement (JP) is a Japanese enhanced version of Roll-chan 3 for the NES. The "Improvement" designation suggests that this version contains enhancements over the original release, potentially through improved graphics, new features, gameplay tweaks, or bug fixes.  As a Japanese release, it may have cultural references or other differences compared to other regional versions.  It would need further research to know what specific improvements were made.

Roll-chan 3 Improvement (JP)

Roll-chan