Red Velvet’s first Japanese song is “#Cookie Jar,” which was released on July 4, 2018. This song was part of their debut Japanese extended play, also titled “#Cookie Jar,” and it marked their official debut in Japan. The song features a groovy bassline and an uptempo, twinkling electro-pop melody, which is similar to their earlier hit “Rookie.”
The “#Cookie Jar” EP was quite successful, debuting at number three on Oricon’s Weekly Album Chart and selling over 26,124 physical copies in its first week. It also peaked at number four on Billboard Japan’s Hot Albums chart. The title track itself reached number twenty on Billboard’s World Digital Songs chart.
Overall, “#Cookie Jar” was an important release for Red Velvet as it introduced them to the Japanese market with a unique blend of catchy melodies and vibrant visuals.