is a song by Japanese singer and songwriter

Eito Eito is a village in the northeastern part of the island of Santo Antão, Cape Verde, part of the municipality of Paul. It is situated 1 km southwest of Pombas, 2 km northeast of Figueiral and 15 km northeast of the island capita ...

from his debut studio album, '' Sukkarakan'' (2021). The song was initially self-released for digital download and

streaming Streaming media is multimedia that is delivered and consumed in a continuous manner from a source, with little or no intermediate storage in network elements. ''Streaming'' refers to the delivery method of content, rather than the content it ...

on 21 April 2019 as the singer's debut single, and later released through A.S.A.B. "Kōsui" is an acoustic guitar-laid

J-pop J-pop ( ja, ジェイポップ, ''jeipoppu''; often stylized as J-POP; an abbreviated form of "Japanese popular music"), natively also known simply as , is the name for a form of popular music that entered the musical mainstream of Japan in the 1 ...

song, inspired by his experience of breakup. The song gained national recognition after it became a viral hit on

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with users covering the song. Its popularity on the social media app is credited to the lyrics with the incorporation of the memorable proper nouns such as

Line Line most often refers to: * Line (geometry), object with zero thickness and curvature that stretches to infinity * Telephone line, a single-user circuit on a telephone communication system Line, lines, The Line, or LINE may also refer to: Arts ...

and

Dolce & Gabbana Dolce & Gabbana (), also known by initials D&G, is an Italian luxury fashion house founded in 1985 in Legnano by Italian designers Domenico Dolce and Stefano Gabbana. The house specializes in ready-to-wear, handbags, accessories, and cosmetic ...

. In Japan, "Kōsui" became Eito's breakthrough hit, topping the

Billboard A billboard (also called a hoarding in the UK and many other parts of the world) is a large outdoor advertising structure (a billing board), typically found in high-traffic areas such as alongside busy roads. Billboards present large advertise ...

Japan Hot 100 The ''Billboard Japan'' Hot 100 is a record chart in Japan for songs. It has been compiled by ''Billboard Japan'' and '' Hanshin Contents Link'' since February 2008. The chart is updated every Wednesday at Billboard-japan.com ( JST) and every Thur ...

and the

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 and Western music. It started as, which was founded by Sōkō Koike in Nov ...

Weekly Singles Chart, as well as topping on the

Spotify Spotify (; ) is a proprietary Swedish audio streaming and media services provider founded on 23 April 2006 by Daniel Ek and Martin Lorentzon. It is one of the largest music streaming service providers, with over 456 million monthly active us ...

Global Viral Top 50. As of August 2020, the song has been streamed over 100 million times. The cover videos of the song filmed by celebrities boosted its popularity and made Eito the household name. The celebrities such as

Shingo Katori is a Japanese actor, singer, television host, radio personality. He was the youngest member of SMAP, one of the best-selling boy band in Asia. After the group's disbandment on 31 December 2016, Katori has been pursuing his solo career. He left ...

, Chocolate Planet,

Misako Uno is a Japanese Tarento, artist, actress, essayist and talent agent best known as a lead vocalist and dancer of the performing arts group AAA. She is also the Middle manager of Avex Group, advertising manager of SHUFU TO SEIKATSU SHA (主婦と生 ...

, and

Naoto Inti Raymi , better known by his stage name , is a Japanese singer-songwriter and composer. He was born in Mie Prefecture in Japan and later grew up in Chiba Prefecture. For two years from 2001, he used his given name Naoto as his stage name. In 2001, whil ...

have covered the song so far. On 31 December 2020, Eito performed the song at the 71st Kōhaku Uta Gassen, one of the most prestigious music festival in Japan.

Accolades

Commercial performance

On 4 May 2020, "Kōsui" debuted on the

at number 34, boosted by the popularity on

. On 25 May 2020, it peaked on the chart at number one. As of 25 November 2020, the song has stayed on the chart for 30 consecutive weeks.

Music video

The music video for "Kōsui" was directed and filmed by Keita Inaba. The video was released on

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on 28 May 2019, and has accumulated over 124 million views as of November 2020. The video features Eito singing over the acoustic guitar, played by Junnosuke Onodera, and the contemporary dance played by Akari Kamayachi.

Track listing

Charts

Weekly charts

Certifications

Release history

References

{{DEFAULTSORT:Kosui 2019 singles Billboard Japan Hot 100 number-one singles Avex Trax singles