is Thelma Aoyama

Thelma Aoyama

, born October 27, 1987, is a Japanese pop and R&B singer. She is part Afro-Trinidadian and Japanese.She is probably best known for her collaboration song with SoulJa, "Koko ni Iru yo", and her answer song "Soba ni Iru ne"...

's second official single, released on January 23, 2008, featuring SoulJa

Soulja

Soulja or Souljah may be a corruption of "soldier" and allude to "soul" and "Jah". It is sometimes used as a moniker, for example by these music artists:*Sister Souljah*SoulJa, Japanese rapper known for 2007/2008 hits Koko ni Iru yo/Soba ni Iru ne....

. It is an answer song

Answer song

An answer song is, as the name suggests, a song made in answer to a previous song, normally by another artist. It is also known as a response song. The concept became widespread in blues and R&B recorded music in the 1930s through 1950s...

 to her previous collaboration with SoulJa

Soulja

Soulja or Souljah may be a corruption of "soldier" and allude to "soul" and "Jah". It is sometimes used as a moniker, for example by these music artists:*Sister Souljah*SoulJa, Japanese rapper known for 2007/2008 hits Koko ni Iru yo/Soba ni Iru ne....

, "Koko ni Iru yo." B-side "My dear friend" was used as the ending theme to anime Shion no Ō

Shion no O

, subtitled The Flowers of Hard Blood, is a Japanese mystery manga written by Masaru Katori and illustrated by Jiro Ando. It is published by Kodansha in the seinen manga magazine Afternoon, and is collected in eight bound volumes. It has been adapted as a twenty-two episode anime television series...

, and the opening theme to television show Ryuuha-R.

The single reached the number 1 position on Japan's Oricon

Oricon

, established in 1999, is the holding company at the head of a Japanese corporate group that supplies statistics and information on music and the music industry in Japan. It started as , which was founded by Sōkō Koike in November 1967 and became known for its music charts. Oricon Inc...

 charts in its second week and sold over 450,000 compact discs. In addition, it sold over 7 million downloads, including 2 million complete downloads, by July 2008. In September 2008, the Guinness World Records

Guinness World Records

Guinness World Records, known until 2000 as The Guinness Book of Records , is a reference book published annually, containing a collection of world records, both human achievements and the extremes of the natural world...

 certified the song as "the best selling download single in Japan" for the number of full-track downloads. On May 28, 2009, however, it was announced that the record was replaced by Greeeen

GReeeeN

is a Japanese pop/rock/hip hop/breakbeat vocal group from Kōriyama city in Fukushima Prefecture, comprising the all-male four members Hide, Navi, 92, and Soh. They made their debut with Universal Music in 2007. Their logo image is of a mouthful of teeth, and the four Es indicate the number of members...

's song "Kiseki

Kiseki (Greeeen song)

is the 7th single released by Greeeen on May 28, 2008. The term "Kiseki" is the kakekotoba of and on the lyrics of the song.It reached the number-one position on the Japanese Oricon weekly charts for 2 weeks and physically sold over 500,000 copies. The song was ranked at the number-one position...

". It was later admitted by the Guinness World Records.

It was also the best-selling download single on the iTunes Store

ITunes Store

The iTunes Store is a software-based online digital media store operated by Apple. Opening as the iTunes Music Store on April 28, 2003, with over 200,000 items to purchase, it is, as of April 2008, the number-one music vendor in the United States...

 2008 yearly charts in Japan.

Taiwanese band Da Mouth

Da Mouth

Da Mouth is a Taiwanese hip hop band made up of MC 40, DJ Chung Hua, male vocalist Harry, and female vocalist Aisa. They are considered the Asian The Black Eyed Peas due to the group's diversity. The band's Chinese band name directly translates into "big mouth"...

 sang their cover version of "Koko ni Iru yo" on their album Wang Yuan Kou Li Kou.

"Soba ni Iru ne" was also covered by Sly and Robbie

Sly and Robbie

Sly and Robbie is the prolific Jamaican rhythm section and production team of drummer Sly Dunbar and bassist Robbie Shakespeare who joined in the mid 1970s after having established themselves separately in Jamaica as professional musicians...

 on their album Amazing.

Charts

Oricon

Oricon

, established in 1999, is the holding company at the head of a Japanese corporate group that supplies statistics and information on music and the music industry in Japan. It started as , which was founded by Sōkō Koike in November 1967 and became known for its music charts. Oricon Inc...

Sales Chart (Japan)

Release	Chart	Peak position	First week sales	Total sales	Chart run
January 23, 2008	Oricon Daily Singles Chart	#1
January 23, 2008	Oricon Weekly Singles Chart	#1	50,158	464,835	46 weeks
January 23, 2008	Oricon Monthly Singles Chart	#2
January 23, 2008	Oricon Yearly Singles Chart	#7		456,479

Total sales as of 11th Feb '09 - 464,835