This 1999 single features two new tracks, "Her-day" and "Treasure," both showcasing Okui's signature blend of pop-rock and vocal power. The release arrived midway through her prolific late-90s output for KING RECORDS.
- "Her-day" was released as a standalone CD single on August 27, 1999.
- The single was released by KING RECORDS.
- The track "Her-day" is a mid-tempo rock-pop song with prominent synth lines and a driving beat.
Masami Okui is a Japanese pop singer and songwriter, born in Tokyo. She is best known for her energetic J-pop and rock-infused anime theme songs.
Tracklist
