
NMB48’s 20th single, "床の間正座娘" (Tokonoma Seiza Musume), is a J-Pop dance-pop track that fits squarely within the group's established sound. The single reached number one on the Oricon Weekly Singles Chart.
- "床の間正座娘" was released on February 20, 2019, by laugh out loud! records. It was part of a double A-side release, with "期末テスト中" (Kouhan Test Chu) also serving as a lead track. The center position for the A-side was held by Yui Yokoyama.
- The single reached number one on the Oricon Weekly Singles Chart and Billboard Japan Hot 100. It sold over 300,000 copies in its first week. The senbatsu members for this single included prominent figures such as Miru Shiroma, Nagisa Shibuya, and Akari Yoshida.
- The music video for "床の間正座娘" was filmed in various locations around Osaka, showcasing the city's urban landscape and the members' energetic performances. The choreography features sharp, synchronized movements characteristic of idol group performances.
NMB48 is a Japanese idol girl group formed in 2010 and based in the Namba district of Osaka. They are one of the flagship groups of the 48 Group franchise.
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