The lyrics, credited to YUI herself, capture a bittersweet transition. The title "Good-bye Days" suggests a farewell, but the verses focus on the .
: The recurring line "It's not cool, but kindness is by my side" ( kakko yokunai yasashisa ga soba ni aru kara ) highlights YUI’s signature theme: authenticity over polished perfection. It acknowledges that while life is difficult and "not easy," there is a restorative power in simple, sincere human connection. YUI - Good bye Days
Decades after its release, "Good-bye Days" is frequently cited as a top "tear-jerker" and a staple of Japanese graduation and "farewell" playlists. Its enduring popularity lies in its universal message: the courage to say "so long" to yesterday while finding the strength to change in the "now". The lyrics, credited to YUI herself, capture a