"Kuon" (久遠, lit. Eternity) is Japanese voice actor Mamoru Miyano's debut single, released on May 23, 2007. It had peaked at #47 on the Oricon charts, and the title track was used as the ending to the anime Kotetsu Sangokushi.

"Kuon"
Single by Mamoru Miyano
from the album Break
ReleasedMay 23, 2007
GenrePop
LabelKing Records
Songwriter(s)ALCHEMY+
Mamoru Miyano singles chronology
"Kuon"
(2007)
"Discovery"
(2008)
Single
No.TitleLyricsMusicLength
1."Kuon" (久遠 "Eternity")ALCHEMY+ALCHEMY+4:16
2."Itsuka" (いつか "Someday")Goro MatsuiTakuya Watanabe4:07
3."Kotetsu Sangokushi Special CD Drama"  5:42
4."Kuon (Instrumental)" ALCHEMY+4:16
5."Itsuka (Instrumental)" Takuya Watanabe4:07