Formed in 2019.

A creative mixture unit that transcends genres to create music, visuals, and art: NIKO NIKO TAN TAN. The music is created by OCHAN (Vo, Synth, etc./ Lyrics, Composition, Arrangement Illustration) and Anabebe(Drums/Arrangement). Visual and artwork are produced by Drug Store Cowboy(Visuals/Art Director/Motion Graphics).

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This unit creates music, visuals, and art themselves, pursuing alternative music with a free-spirited approach that incorporates elements from various genres, truly embodying "mixture creativity."

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They have performed at major festivals such as FUJI ROCK FESTIVAL, SUMMER SONIC, GREENROOM BEACH, and OSAKA GIGANTIC MUSIC FESTIVAL, gaining significant attention. In April 2024, they made their major debut with  Victor Entertainment/ Getting Better, and their first co-headlining tour, which included a performance at Zepp Shinjuku in Tokyo, was sold out! In August 2024, they released their major 1st album, "Shinkigeki," and successfully completed the "NIKO NIKO TAN TAN SOLO TOUR 2024 "Shinkigeki", performing across six cities in Japan.

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In 2025, the year is being celebrated as the "Niko Niko Year" in homage to the numbers "2"and"5" in their name, which in Japanese wordplay, can be read as NI and KO. February 2, 2025 marks a once-in-a-century "Niko Niko Day", as the date aligns perfectly with the numbers in their name(2025/2/5). On this special day, they will host a co-headlining show at Zepp Shinjuku in Tokyo, with special guest TESTSET(Yoshinori Sunahara×Leo Imai×Kenichi Shirane×Seiichi Nagai)!