Koigokoro (Akane Sugazaki song)

"Koigokoro" (恋ごころ, lit. "My Love") is a song by Japanese singer Akane Sugazaki. It was released on 28 May 2003 through Giza Studio, as the third single from her debut studio album Beginning (2003). The song reached number thirty-eight in Japan and has sold over 7,389 copies nationwide. The song served as the theme song to the Japanese anime television series, Detective School Q.

"Koigokoro"
Single by Akane Sugazaki
from the album Beginning
B-side	"Boyfriend"
Released	May 28, 2003 (2003-05-28)
Genre	J-pop anime song
Length	3:55
Label	Giza Studio
Songwriter(s)	Aika Ohno Akane Sugazaki
Producer(s)	Kannonji
Akane Sugazaki singles chronology
"Kimi no Namae Yobu dakede" (2002) "Koigokoro" (2003)

Track listing

CD single

No.	Title	Writer(s)	Arranger(s)	Length
1.	"Koigokoro"	Aika Ohno Akane Sugazaki	Satoru Kobayashi	3:55
2.	"Boyfriend"	Hitoshi Okamoto Sugazaki	Yoshinobu Ohga	3:46
3.	"Koigokoro" (Instrumental)	Ohno Sugazaki	Kobayashi	3:54

Charts

Chart (2003)	Peak position
Japan (Oricon)	38

Personnel

• Akane Sugazaki – vocals (M-1,2,3)
• Aika Ohno – backing vocals (M-1,3)
• Keiko Masuda – backing vocals (M-2)
• Yoshinobu Ohga – acoustic guitar, electric guitar (M-1,2,3), production, programming (M-2)
• Satoru Kobayashi – production, programming (M-1,3)
• Katsuo Urano – recording engineering (M-1,2,3)
• Akio Nakajima – mixing (M-1,2,3)
• Masahiro Shimada – mastering (M-1,2,3)

Certification and sales

Region	Certification	Certified units/sales
Japan (RIAJ)	None	7,389

Release history

Region	Date	Format	Catalogue Num.	Label	Ref.
Japan	28 May 2003	CD	GZCA-7014	Giza Studio