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YOASOBI is a Japanese music duo composed of Vocaloid producer Ayase and singer-songwriter ikura. The group has released songs based on short stories posted on, a website operated by Sony Music Entertainment Japan, later also from various novels and book tie-ups.



The duo debuted with the single "Yoru ni Kakeru" in December 2019. It became successful on the music charts in Japan, charting at the top for three consecutive weeks and entering the 2020 year-end Billboard Japan Hot 100. Their debut EP THE BOOK was released in January 2021 and reached #2 on both the Oricon Albums Chart and the Billboard Japan Hot Albums chart.

Their name originates from the Japanese word Yoasobi (夜遊び), meaning "nightlife". Ayase said he named the group as a wish that he could take on various playful challenges by comparing the appearance of acting as an individual to the appearance of daytime and the appearance of two people acting as Yoasobi as the appearance of the night. The group has a slogan "Shousetsu wo ongaku ni suru" (小説を音楽にする; Novel into music).




Digital Singles

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