Japan in the Quackvision Song Contest 01

Japan participated in the Quackvision Song Contest 01 with the song "ISOGA♡PEACH", by chelmico, who were internally selected by Japanese broadcaster Japan Broadcasting Corporation (NHK) to represent that nation at the first edition in Gothenburg, Sweden.

Background
Main Article: Japan

Japan was announced to be one of the countries that were confirmed to participate in the inaugural edition of the Quackvision Song Contest, with DubbleTrubbleBoy as their head of delegation for the edition. As with all the other countries competing in this edition, it was their official debut in the contest.

Internal Selection
chelmico were announced to be the representatives for Japan for the first edition of the Quackvision Song Contest, with a small teaser being made by DubbleTrubbleBoy and NHK revealing the reveal date, the reveal being scheduled for 20 July 2021. The song was revealed to be "ISOGA♡PEACH", a song sung entirely in Japanese.

Grand Final
Nearing the end of the Song Reveal period for the edition, the Quackvision Event 01 revealed the halves that the contestants would be performing in, with the final running order being revealed on 31 July 2021. For the show, Japan was placed in the first half, performing first, preceding the entry from Ukraine. At the end of the show, Japan placed eighth in the final, scoring 131 points: 82 from the televote (7th) and 49 from the juries (9th).