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A mood kayo chorus group consisting of four tall men, mainly actors from former special sci-fi heroes.
Along with activities at health centers and super sento, the closeness to fans attracted attention and broke out as a "super sento idol".
"The dream is to sing in Kohaku Uta Gassen and be a good son!” In 2018, they made their first appearance in the NHK Kohaku Uta Gassen with a song “proposal” and has been participating for three consecutive years.
In 2019 and 2020, they won the Best Composition Award for the second consecutive year at the “Japan Record Awards”. In July 2021, they had their first chair performance at the Meijiza theater.
In September of the same year, the first starring movie "Super sento Junretsu-Jar" was a nationwide roadshow.