Radiance / Chi ni Kaeru (On the Earth)

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"radiance / Chi ni Kaeru: ～on the Earth～"
Limited edition front cover
Single by Mami Kawada, Kotoko
from the album Seed
Released	February 23, 2005
Genre	J-pop
Length	24:27
Label	Geneon
Songwriter(s)	Mami Kawada, Kotoko
Producer(s)	I've Sound
Alternative cover
Limited edition back cover
Mami Kawada singles chronology
"Radiance / Chi ni Kaeru: on the Earth" (2005) "Hishoku no Sora" (2005)
Kotoko singles chronology
"Re-sublimity" (2004) "Radiance / Chi ni Kaeru: On the Earth" (2005) "421: A Will" (2005)

"Radiance / Chi ni Kaeru: ～on the Earth～" (Radiance/地に還る: On the Earth) is Mami Kawada's first single for a major label and Kotoko's third, produced by I've Sound. The songs were used as the opening and ending theme respectively for the anime series Starship Operators.^{[citation needed]} Two versions of the single were released: a limited edition (GNCA-0014) and a regular edition (GNCA-0015). The limited edition included a DVD containing the promotional video for both songs. The single reached #19 on the Oricon charts and stayed for 9 weeks. It sold a total of 28,706 copies.