Regret (Mai Hoshimura song)

"Regret" is the 13th single by Japanese singer Mai Hoshimura, released on June 4, 2008, on the SMEJ label. The title track was used as the seventh ending theme for the anime series D.Gray-man. The single peaked at number 30 and charted for four weeks in the Oricon charts.^[1] The coupling "Sakura Biyori x Kotaro Oshio" is an acoustic version of her previous-released song "Sakura Biyori".

"Regret"
Single by Mai Hoshimura
from the album My Life
B-side	"Love Tuning", "Sakura Biyori x Kotaro Oshio"
Released	June 4, 2008
Genre	J-Pop
Length	18:56
Label	SME Records
Songwriter(s)	Mai Hoshimura
Mai Hoshimura singles chronology
"Kakegae no Nai Hito e" (2007) "Regret" (2008) "Hikari" (2008)

This single's catalog number is SECL-643.^[2]

Track listing

1. "Regret"

   Composition/Lyrics: Mai Hoshimura

   Arrangement: Hideyuki Daichi Suzuki^[2]

2. "Love Tuning"

   Composition/Lyrics: Mai Hoshimura

   Arrangement: SatoriShiraishi^[2]

3. "Sakura Biyori x Kotaro Oshio"

   Composition/Lyrics: Mai Hoshimura

   Arrangement: Kotaro Oshio

4. "Regret (D.Gray-man Ending ver.)"
5. "Regret" (instrumental)