**Until the Day I Can’t Remember – back number**
Product Description
This third single from Japanese rock band back number, released in October 2011, features a moving ballad about still loving someone even after a breakup. Its bittersweet, sentimental lyrics and beautiful melody create a powerful, emotional listening experience that is signature back number.
The title track “Omoidasenakunaru Sono Hi Made” delivers the band’s trademark heart‑wrenching storytelling, while “Hajimari Hajimari” stands out for its vivid depiction of a boy in unrequited love. These relatable themes and honest emotions offer comfort and courage to listeners who have felt the same way.
- Artist: back number (Shimizu Iyori, Kojima Kazuya, Kurihara Hisashi)
- Format: Single
- Original Japanese release: October 2011

Description
Product Description
This third single from Japanese rock band back number, released in October 2011, features a moving ballad about still loving someone even after a breakup. Its bittersweet, sentimental lyrics and beautiful melody create a powerful, emotional listening experience that is signature back number.
The title track “Omoidasenakunaru Sono Hi Made” delivers the band’s trademark heart‑wrenching storytelling, while “Hajimari Hajimari” stands out for its vivid depiction of a boy in unrequited love. These relatable themes and honest emotions offer comfort and courage to listeners who have felt the same way.
- Artist: back number (Shimizu Iyori, Kojima Kazuya, Kurihara Hisashi)
- Format: Single
- Original Japanese release: October 2011






















