What makes I for You by Luna Sea notable?

This album marked a significant moment for Luna Sea as it debuted at number one on the Oricon charts, showcasing their commercial appeal. Its blend of alternative and progressive rock influenced many subsequent Japanese bands and helped to shape the visual-kei movement during the late '90s. Released on July 1, 1998, 'I for You' was Luna Sea's follow-up to their successful album 'Shine.' At this point in their career, they were transitioning into a more mainstream sound while still maintaining their alternative rock roots, which solidified their status as one of Japan's leading rock bands.