What makes Unreal by flumpool notable?

'Unreal' marked flumpool's entry into the mainstream, achieving significant chart success in Japan and earning critical acclaim for its heartfelt songwriting. The single 'Over the rain ～ひかりの橋～' became particularly notable, contributing to the band's growing popularity and influencing subsequent acts within the J-Pop rock genre. When flumpool released 'Unreal' in 2008, they were still establishing themselves in the Japanese music scene, having debuted just a year earlier. This album served as their first full-length project and followed the release of their successful EP 'Niji no Yuki', showcasing their evolving sound and solidifying their presence in pop rock.